List of Thomas & Friends film characters

Thomas and the Magic Railroad is the only Thomas & Friends movie released in theatres.

• Diesel 10 (voiced by Neil Crone in the film/voiced by Matt Wilkinson in the UK and the US; Misty Island Rescue onwards) is an evil diesel engine with an excavator claw arm (which he calls "Pinchy") extending from his roof. He is Diesel's brother and the main antagonist in Thomas and the Magic Railroad. Thomas said that he is rated "10 out of 10 for devious deeds and brutal strength". Diesel 10 reappeared in the 2005 direct-to-DVD followup Calling All Engines!, and is the main antagonist in Day of the Diesels.
• Lady (voiced by the series creator Britt Allcroft) is a small, Victorian-styled tank engine who has magical powers and also appeared in Calling All Engines. In the Calling All Engines DVD's character gallery, Lady is described as "a magical engine. When she moves along the rails, she spreads gold dust with her special powers. Lady has been known to help Thomas and his friends when there was no other engine to turn to."
• Splatter (voiced by Neil Crone) and Dodge (voiced by Kevin Frank) are Diesel 10's sidekicks, collectively called "Splodge" by Diesel 10. Splatter is purple and grey and is more talkative than Dodge. Dodge is olive and grey and more intelligent than Splatter.[1]
• Mr. Conductor (Alec Baldwin) is the railway conductor who helps to run the railway for Sir Topham Hatt when he is not helping out at Shining Time Station.
• Burnett Stone (Peter Fonda) is Lady's caretaker.
• Lily Stone (Mara Wilson) is Burnett's granddaughter who lives in a big city but visits him during the film.
• Mr. Conductor Jr. (Michael E. Rodgers), also known as "C. Junior" or "Junior", is Mr. Conductor's lazy cousin.
• Patch (Cody McMains) is a young teenage boy who works for Burnett Stone.
• Stacy Jones (Didi Conn) is the manager of Shining Time Station. Didi Conn reprised the role she played on Shining Time Station.
• Billy Twofeathers (Russell Means) is a train driver who works in the Indian Valley. In the series Shining Time Station, Billy was played by Tom Jackson.

• Stanley (voiced by Matt Wilkinson in the UK and by Ben Small, David Menkin, Rob Rackstraw, and then John Schwab in the US) is a silver tank engine who made Thomas jealous when he first arrived on Sodor.

• Hiro (voiced by Togo Igawa in the UK and US) is an old and wise Japanese tender engine who used to be known as the "Master of the Railway".
• Victor (voiced by David Bedella in both the UK and US) is a dark red narrow-gauge tank engine who is in charge of the Sodor Steamworks.
• Kevin (voiced by Matt Wilkinson in the UK; Kerry Shale in the US) is a yellow mobile crane who works at the Sodor Steamworks.

• Captain (voiced by Keith Wickham in the UK and US) is a blue, red and yellow coast guard lifeboat at the Sodor Search and Rescue Centre.
• Bash and Dash (voiced by Keith Wickham and Matt Wilkinson in the UK; William Hope and Kerry Shale in the US) are two fun-loving tank engine twins who run a logging railway on Misty Island. Their colour schemes are inverted versions of each other and they often finish each other's sentences.
• Ferdinand (voiced by Ben Small in the UK; Glenn Wrage in the US) is a fun-loving tender engine who works with Bash and Dash. The least obnoxious of the three, his vocabulary almost exclusively consists of the phrase "that's right".

• Belle (voiced by Teresa Gallagher in the UK and US) is a blue tank engine who has firefighting equipment.
• Flynn (voiced by Rupert Degas, followed by Ben Small, later Rob Rackstraw in the UK and US) is a fire engine who can run on both roads and railway tracks.
• Den (voiced by Keith Wickham in the UK and US) is a big hydraulic diesel engine who runs the Vicarstown Dieselworks.
• Dart (voiced by Rupert Degas, now Steve Kynman in the UK and US) is a small diesel shunter who is Den's best friend and assistant at the Vicarstown Dieselworks.
• Norman (voiced by Keith Wickham in the UK and US) is a red diesel engine with a unibrow. He is Dennis' twin.
• Paxton (voiced by Steve Kynman in the UK and US) is a kind and friendly green diesel engine who is friends with the steam engines.

• Luke (voiced by Michael Legge in the UK and US) is a green Irish narrow gauge engine.
• Winston (voiced by Matt Wilkinson in the UK and US) is a red track inspection car who is Sir Topham Hatt's primary mode of transport and the leader of the railway fleet.
• Owen (voiced by Ben Small in the UK and US) is an orange stationary steam engine who powers an incline at the Blue Mountain Quarry.
• Merrick (voiced by Matt Wilkinson in the UK and US) is a sleepy, snoring gantry crane who works at the Blue Mountain Quarry.

• Millie (voiced by Miranda Raison in the UK and US) is a private light blue, French, narrow gauge engine who belongs to Sir Robert Norramby and works on his estate.
• Stephen (voiced by Bob Golding in the UK and US) is an early steam engine who works at Ulfstead Castle on the Earl's estate. He is modelled after Stephenson's Rocket and dialogue indicates that he is in fact the original Rocket.
• Connor (voiced by Jonathan Forbes in the UK and US) is an aquamarine streamlined tender engine from the Mainland.
• Caitlin (voiced by Rebecca O'Mara in the UK and US) is a dark-pink streamlined tender engine from the Mainland. She is Connor's female counterpart and strongly resembles him, however they are not twins.
• Sir Robert Norramby (voiced by Mike Grady in the UK and US) is the Earl of Sodor. At the beginning of the film, he returns to Sodor after travelling the world and announces his plan to restore Ulfstead Castle and build an estate and a tourist railway there. He previously appeared as the Duke of Sodor in the Railway Series books Very Old Engines and Duke the Lost Engine.

• Gator (voiced by Clive Mantle in the UK and US) is a green Colombian Steam Motor engine who looks like an alligator due to his name, shape, and size.
• Timothy (voiced by Tim Whitnall in the UK and US) is a blue oil-burning tank engine who works at the China Clay Pits with Bill, Ben, and Marion.
• Marion (voiced by Olivia Colman in the UK and US) is an orange self-propelled steam shovel who works at the China Clay Pits with Bill, Ben, and Timothy.
• Reg (voiced by Tim Whitnall in the UK and US) is a diesel-powered grappling crane who works on Edward's Branch Line at Crock's Scrap Yard.

• Glynn (voiced by Keith Wickham in the UK and US) is a "coffee-pot" engine who worked at Thomas' Branch Line before he was taken out of service sometime prior to the events of the film. Prior to Thomas' arrival, Glynn was notably the railway's number one.
• Judy (voiced by Teresa Gallagher in the UK and US) and Jerome (voiced by Tim Whitnall in the UK and US, respectively) are the two large grey breakdown cranes who take their jobs as the breakdown train very seriously and form the same breakdown train seen in previous live-action productions, retroactively given names and personalities.

• Ryan (voiced by Eddie Redmayne, later Steven Kynman in the UK and US) is a purple tank engine who has the number 1014 on his bunker.
• Skiff (voiced by Jamie Campbell Bower in the UK and US) is a sailboat with a rail chassis. Like others, he sometimes runs on rails.
• Mike (voiced by Tim Whitnall in the UK and US) is a red tender engine who comes from the Arlesdale Railway.
• Rex (voiced by Tom Stourton in the UK and US) is a green tender engine who comes from the Arlesdale Railway.
• Bert (voiced by Keith Wickham in the UK) is a blue tender engine who comes from the Arlesdale Railway.
• Sailor John (voiced by John Hurt in the UK and US) is a pirate who tries to steal the pirate treasure. He owns Skiff and uses him as an unwilling getaway vehicle. The official website reveals that he was a member of the Royal Navy before being kicked out for unexplained reasons.

The Great Race, the 2016 movie, introduces 12 new characters and one from The Railway Series. In an effort to expand the preschool franchise beyond its current lineup of mostly male British characters, the new engines are from locations around the world and include 3 female characters.[2]

• Ashima (voiced by Tina Desai in the UK and US)[3] is a large pink tank engine who comes from India. She is meant to challenge Thomas, both in terms of being able to do some things better than he and in terms of his being able to relate to someone very different from himself.[2] She participates in the shunting race and is modelled after the Nilgiri Mountain Railway X class locomotive.
• Carlos (voiced by David Bedella in the UK and US) is a tender engine who comes from Mexico and is meant to resemble Ferrocarriles Nacionales de México locomotive No. 903.[2]
• Raul (voiced by Rob Rackstraw in the UK and US) is a steam engine who comes from Brazil and is inspired by the Olympic Games in Rio de Janeiro. Raul is intended to broaden Thomas' cultural awareness.[2]
• Yong Bao (voiced by Dan Li) is a tender engine who comes from China and is intended to capitalise on the franchise's growing popularity in China.[2] Yong Bao later appears in Big World! Big Adventures!, which elaborates on his backstory.
• Shane is a tender engine who comes from Australia.[4]
• Vinnie (voiced by John Schwab in the UK and US) is a tender engine who comes from the United States and is based on the Grand Trunk Western U4-a.
• Etienne (voiced by Rob Rackstraw in the UK and US) is a fast, electric engine who comes from France.
• Axel (voiced by Rob Rackstraw in the UK and US) is a fast, streamlined tender engine who comes from Belgium.
• Gina (voiced by Teresa Gallagher in the UK and US) is a small tank engine who comes from Italy.
• Frieda (voiced by Teresa Gallagher in the UK and US) is a streamlined tender engine who comes from Germany and is modelled after the DB Class 10.
• Rajiv is a little tank engine who comes from the East Indian Railway in India and is modelled after the Fairy Queen locomotive.
• Ivan (voiced by Bob Golding in the UK and US) is a diesel engine who comes from Russia.

• Merlin (voiced by Hugh Bonneville in the UK and US) is a steam engine who is fitted with three stovepipe chimneys, which, as he falsely believes, give him the ability to turn invisible. He has the number 783.
• Lexi (voiced by Lucy Montgomery in the UK and US) is an American cab forward steam engine. Promotional material states that she is gender-fluid.
• Theo (voiced by Darren Boyd in the UK and US) is an experimental railway traction engine. Promotional material states that he is on the autism spectrum.
• Hurricane (voiced by Jim Howick in the UK and US) is a cunning, large tank engine who has ten driving wheels and works at a Steelworks on the Mainland along with Frankie. He has the number 20 and is based on the GER Class A55.
• Frankie (voiced by Sophie Colquhoun in the UK and US) is a manipulative diesel engine who works at the Steelworks with Hurricane and appears to be the more dominant of the pair. Frankie has the number 4002 on her bufferbeam.
• Beresford (voiced by Colin McFarlane in the UK and US) is a rolling gantry crane who is stationed on the Mainland.

Big World! Big Adventures! is a tie-in with the twenty-second series, serving as a soft reboot of the franchise, and the final full-length CGI Thomas movie. Several dozen characters (mostly background characters) were introduced in this film; below are the ones who were named either in this film or in the following seasons of the show.

• Nia (voiced by Yvonne Grundy in the UK and US) is an orange tank engine from Kenya who befriends and accompanies Thomas during his journey around the world. She teaches Thomas about friendship and accompanies him home at the end of the film and becomes a member of the Steam Team, replacing Edward.
• Ace (voiced by Peter Andre in the UK and US) is an Australian rally car who inspires Thomas to become the first engine to travel the world and serves as the film's main antagonist.
• Kwaku (voiced by Abubakar Salim in the UK and US) is an African Garratt railway engine who is friends with Nia.
• Sam (voiced by Rob Rackstraw in the UK and US) is a tender engine with 12 drive wheels who comes from America.
• Beau (voiced by Kerry Shale in the UK and US) is an American mining engine who has a moustache and works at the Grand Canyon.
• Natalie (voiced by Teresa Gallagher in the UK and US) is an American diesel shunter who works at an American Harbour in San Francisco.
• Emerson (voiced by Gabriel Porras in the UK and US) is an aeroplane from Brazil.
• Fernando (voiced by Gabriel Porras in the UK and US) is a teal diesel shunter from Brazil.
• Shankar (voiced by Sanjeev Bhaskar in the UK and US) is a diesel shunter from India.
• Charubala (voiced by Sheena Bhattessa in the UK and US) is the controller of the Indian Railway.

Digs and Discoveries is one of the 2019 specials comprising the two double-length episodes "All Tracks Lead to Rome" and "Mines of Mystery".

• Lorenzo (voiced by Vincenzo Nicoli in the UK and US) is an Italian tender engine who was lost in a mine for several years before being rediscovered by Thomas.
• Beppe (voiced by Vincenzo Nicoli in the UK and US) is a small passenger coach who belongs to Lorenzo and was lost along with him.
• Ester (voiced by Flaminia Cinque in the UK and US) is a small Italian excavator.
• Stefano (voiced by Antonio Magro in the UK and US) is a huge amphibious cargo ship who can run on both water and land.
• Brenda (voiced by Teresa Gallagher in the UK and US) is a bulldozer recently purchased by the Sodor Construction Company. She, along with the rest of the construction vehicles, come to Italy to assist with an archaeological dig.

Marvelous Machinery is one of two specials released in 2020. It comprises the two double-length episodes "A New Arrival" and "World of Tomorrow".

• Ruth (voiced by Dominique Moore in the UK and US) is an inventor who comes to Sodor to hold a technology fair.
• Baz and Bernie (voiced by Bob Golding and Rob Rackstraw in the UK and US, respectively) are a pair of crooks from the mainland who come to the Technology Fair with the intention of stealing an invention and claiming it as their own.
• Sonny (voiced by Joe Swash) is a well tank engine who belongs to Baz and Bernie, but reforms after an encounter with Thomas.
• Kenji (voiced by Matt McCooey) is a Japanese bullet train who comes to Sodor to participate in the technology fair.

The Royal Engine, or Thomas and the Royal Engine, is a half-hour special commemorating the 75th anniversary of the franchise. It features a live-action introduction read by Prince Harry, Duke of Sussex.

• Duchess of Loughborough, or simply Duchess (voiced by Rosamund Pike in the UK and US), is a big, tender engine who is tasked with pulling the British Royal Train to London.
• Prince Charles (voiced by Rachael Miller) is the son of Queen Elizabeth II (voiced by the show's former head-writer, Sharon Miller). When the queen requests for Sir Topham Hatt to meet her at Buckingham Palace so she can present him with an award, Charles requests for Thomas to be the engine to bring him.