Acting · New York City, New York, USA · Born April 23, 1971
Teresa Gallagher is an American-born British actress, voice actress, and singer who is known for her roles in several animated television shows, such as Nicole Watterson, Margaret Robinson, Penny Fitzgerald, and various characters in The Amazing World of Gumball; Annie, Clarabel, Emily, Rosie, Mavis, Gina, Frieda, and numerous characters in Thomas & Friends; Egbert and Gilda in Poppy Cat; EOS and various guest characters in Thunderbirds Are Go; Elias and Helinor in Elias: Rescue Team Adventures; and the Tiddlytubbies in the 2015 reboot of Teletubbies. For Disney, she voiced Mater's computer in Disney/Pixar's Cars 2 and its video game; the titular character in the U.K. version of Henry Hugglemonster; Dashi in the Disney Junior British series The Octonauts; and Jessica Wright, Mallory, and Lolo Calorie in the Disney XD British/French series Dude, That's My Ghost!.
TVThe Wonderfully Weird World of Gumball
2025
as Nicole Watterson (voice)
MovieSpiked
2025
as Acorn Bunny (voice)
TVIsadora Moon
2023
MovieThe Octonauts & the Great Summer Adventure
2023
as Dashi (voice)
MovieThomas and Friends: The Adventure Begins
2023
as Annie and Clarabel / Judy / The Passengers (voice)
TVIncredible Ant
2022
as Unity (voice)
TVThe Creature Cases
2022
as (voice)
TVElliott from Earth
2021
MovieOctonauts and the Ring of Fire
2021
as Dashi (voice)
MovieOctonauts and the Great Barrier Reef
2020
as Dashi (Voice)
TVThe Gumball Chronicles
2020
as Nicole Watterson (voice)
MovieOctonauts and the Caves of Sac Actun
2020
as Dashi/Ryla (Voice)
TVJoJo & Gran Gran
2020
as Cynthia
MovieThomas & Friends: Steam Team to the Rescue
2020
as Emily / Belle / Annie / Clarabel (voice)
MovieThomas & Friends: Big World! Big Adventures! The Movie
2018
as Emily / Arizona Diesel / Annie and Clarabel / Rio Crane (voice)
MovieThomas & Friends: Journey Beyond Sodor
2017
as Emily / Annie and Clarabel (voice)
MovieThomas & Friends: Extraordinary Engines
2017
as Annie and Clarabel / Judy / The Duchess of Boxford / Stephen Hatt / Bridget Hatt (voice)
TVMagiki
2017
as Billie
MovieOctonauts - 15 Underwater Adventures
2016
as Dashi
MovieThomas & Friends: Full Steam To The Rescue!
2016
as Emily / Belle / Annie and Clarabel / Albert's Wife (voice)
MovieThomas & Friends: Tinsel on the Tracks
2016
as Annie / Clarabel / Passenger (voice)
MovieThomas & Friends: The Great Race
2016
as Various (voice)
MovieThomas & Friends: Tales on the Rails
2015
as Annie (voice) / Clarabel (voice)
TVWhat's the Big Idea?
2015
as 雨果(Hugo)(voice)
MovieThomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
2015
as Emily / Daisy / Annie / Clarabel (voice)
MovieThomas & Friends: Whale of a Tale and Other Sodor Adventures
2015
as Emily / Belle / Annie and Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Children (voice)
TVThunderbirds Are Go!
2015
as EOS (voice)
Daddy Christmas
2014
TVRonja, the Robber's Daughter
2014
as Ronja (voice, English version)
MovieMike the Knight: Journey to Dragon Mountain
2014
MovieThomas & Friends: Tale of the Brave
2014
as Emily / Rosie / Annie and Clarabel (voice)
MoviePostman Pat: The Movie
2014
as Lucy Selby (voice)
MovieThomas & Friends: Trouble on the Tracks
2014
as Mavis / Annie and Clarabel (voice)
MovieThomas & Friends: Spills & Thrills
2014
as Mavis / Annie & Clarabel / Lady Hatt (voice)
Fink
2013
as Jake
MovieThomas & Friends: Santa's Little Engine
2013
as Emily / Belle / Annie and Clarabel (voice)
MovieThomas & Friends: King of the Railway
2013
as Emily / Belle / Annie and Clarabel (voice)
MovieThe Jungle Book: Return 2 the Jungle
2013
MovieThe Jungle Book: The Movie
2013
as Darzi
MovieThomas & Friends: Muddy Matters
2013
MovieThomas & Friends: Sticky Situations
2012
as Rosie / Mavis / Schoolchildren (voice)
The Adventures Of Gumball
2012
as Nicole Watterson (voice)
MovieThomas & Friends: Blue Mountain Mystery
2012
as Emily / Mavis / Annie and Clarabel (voice)
MovieThomas and Friends: Up Up & Away!
2012
TVFleabag Monkeyface
2011
MovieThomas & Friends: Day of the Diesels
2011
as Emily / Mavis / Lady Hatt / Belle (voice)
MovieCars 2
2011
as Mater's Computer (voice)
TVThe Amazing World of Gumball
2011
as Nicole Watterson / Penny Fitzgerald / Teri / Mrs. Robinson (voice)
TVPoppy Cat
2011
as Egbert (voice)
MovieThomas & Friends: Pop Goes Thomas
2011
TVMr Bloom's Nursery
2011
MovieThomas & Friends: Wobbly Wheels & Whistles
2011
MovieThe King's Speech
2010
as Nurse
TVOctonauts
2010
as Dashi
MovieThomas & Friends: The Lion of Sodor
2010
as Teacher (voice) / Children (voice)
MovieThomas & Friends: Misty Island Rescue
2010
as Emily (voice)
MovieRainbow Magic: Return to Rainspell Island
2010
as Mrs. Walker / Queen Titania / Fern (Voice)
MovieThomas & Friends: Thomas & The Runaway Kite
2010
as Emily (voice) / Lady Hatt (voice) / Bridget Hatt (voice)
MovieThomas & Friends: Splish, Splash, Splosh!
2009
as Emily (voice) / Rosie (voice)
MovieThomas & Friends: Hero of the Rails
2009
as Emily / Mavis / The Duchess Of Boxford (voice)
TVNoddy in Toyland
2009
TVGet Squiggling!
2008
TVFrankenstein's Cat
2007
as Sweeny
TVMama Mirabelle's Home Movies
2007
as Karla (voice)
MovieA Christmas Carol
2006
as Tiny Tim / Ghost of Christmas Past / Fan (voice)
MovieThe Jacket
2005
as Nurse Sally
TVFootballers' Wives
2002
as Sarah Mortimer
MovieTopsy-Turvy
1999
as Miss Coleford
MovieThe Misadventures of Margaret
1998
as Astronaught #2
TVThomas & Friends
1984
as Emily (voice)
