Teresa Gallagher (born on 23rd April 1971 in New York City, New York, USA) is an American-born British actress and singer. She provides voices in the UK and US dubs of Thomas & Friends. She joined the voice cast in Hero of the Rails which was released in 2009.

Teresa has provided voices for several animated series including "Engie Benjy", "BB3B", "Planet Sketch", "Mama Mirabelle", "The Likeaballs", "Frankenstein's Cat", "The Mr. Men Show", "Pinky and Perky", "Yo Gabba Gabba", "Octonauts", "Dennis and Gnasher", "Noddy in Toyland", "The Amazing World of Gumball", "Ronja the Robber's Daughter", "Thunderbirds are Go!" (2015), the English dub of "Elias: Rescue Team Adventures" and the 2015 reboot of "Teletubbies".

Television appearances include "Casualty" and "The Bill", alongside "Footballers Wives" and presenting the BBC TV series "Playdays".

Her work on film includes Charlotte Coleford in Mike Leigh’s Oscar winning "Topsy Turvy", Sandra in "The Misadventures of Margaret" with Parker Posey and the Hollywood film "The Jacket". She also appeared in "The King's Speech" and voiced Mater's Computer in "Cars 2".

Outside of her acting career, she has her own band called "Arcelia" which will be performing in various London pubs, as well as supporting several other UK-based bands.

She was a member of the BBC Radio Drama Company and is a recognisable voice for listeners of Radio 4's "Book of the Week" and "Book at Bedtime". She is an award winning audiobook narrator, most recently reading several new Meg Cabot books, and her Bleak House was The Times' Audiobook of the Year in 2007.





Online Videos




  • Rumic World: The Laughing Target (1987)
  • Monster City (1988)
  • Bounty Dog (1994)
  • X (1996)
  • The Misadventures of Margaret (1998)
  • Topsy-Turvy (1999)
  • Blood (2000)
  • The Jacket (2005)
  • Thomas & Friends: Hero of The Rails (2009)
  • Thomas & Friends: Misty Island Rescue (2010)
  • The King's Speech (2010)
  • Rainbow Magic: Return to Rainspell Island (2010)
  • Cars 2 (2011)
  • Thomas & Friends: Day of the Diesels (2011)
  • Thomas & Friends: Blue Mountain Mystery (2012)
  • Thomas & Friends: King of the Railway (2013)
  • Postman Pat: The Movie (2014)
  • Thomas & Friends: Tale of the Brave (2014)
  • Thomas & Friends: Sodor's Legend of the Lost Treasure (2015)
  • Thomas & Friends: The Great Race (2016)
  • Thomas & Friends: Journey Beyond Sodor (2017)
  • Thomas & Friends: Big World! Big Adventures! (2018)
  • Octonauts and the Caves of Sac Actun (2020)


  • The Bill (1990-1999)
  • Casualty (2000-2004)
  • Engie Benjy (2002)
  • Doctors (2003)
  • BB3B (2005)
  • Footballers' Wives (2005)
  • War and Peace (2007)
  • Mama Mirabelle's Home Movies (2007-2008)
  • The Mr. Men Show (2008)
  • Frankenstein's Cat (2008)
  • Pinky and Perky Show (2008-2009)
  • Thomas & Friends (2009-present)
  • Noddy in Toyland (2009)
  • The Jungle Book (2010-2016)
  • The Hive (2010-2011)
  • The Octonauts (2010-present)
  • City of Friends (2011)
  • Poppy Cat (2011)
  • Mike the Knight (2011-2012)
  • The Amazing World of Gumball (2011-present)
  • Dude, That's My Ghost! (2013)
  • What's the Big Idea? (2013)
  • Henry Hugglemonster (2013)
  • Dinopaws (2014)
  • Pip Ahoy! (2014)
  • Ronja the Robber's Daughter (2014-2015)
  • Thunderbirds Are Go! (2015-present)
  • Teletubbies (2015) (2015-present)
  • Bob the Builder (2015) (2018-present)


  • Warhammer: Dark Omen (1998)
  • Judge Dredd: Dredd vs Death (2003)
  • Rule of Rose (2006)
  • The Witcher (2007)
  • Cars 2: The Video Game (2011)

External Links

*Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.

Fandom may earn an affiliate commission on sales made from links on this page.

Stream the best stories.

Fandom may earn an affiliate commission on sales made from links on this page.

Get Disney+