Teresa Gallagher
Acting
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!.
TV Shows(21)
The Wonderfully Weird World of Gumball
Nicole Watterson (voice)
2025
Isadora Moon
2023
Incredible Ant
Unity (voice)
2022
The Creature Cases
(voice)
2022
Elliott from Earth
2021
The Gumball Chronicles
Nicole Watterson (voice)
2020
JoJo & Gran Gran
Cynthia
2020
Magiki
Billie
2017
Thunderbirds Are Go!
EOS (voice)
2015
Ronja, the Robber's Daughter
Ronja (voice, English version)
2014
Fleabag Monkeyface
2011
The Amazing World of Gumball
Nicole Watterson (voice)
2011
Poppy Cat
Egbert (voice)
2011
Mr Bloom's Nursery
2011
Octonauts
Dashi
2010
Noddy in Toyland
2009
Get Squiggling!
2008
Frankenstein's Cat
Sweeny
2007
Mama Mirabelle's Home Movies
Karla (voice)
2007
Footballers' Wives
Sarah Mortimer
2002
Thomas & Friends
Emily / Rosie / Mavis (voice)
1984
Movies(46)
The Octonauts & the Great Summer Adventure
Dashi (voice)
2023
Octonauts and the Ring of Fire
Dashi (voice)
2021
Octonauts and the Great Barrier Reef
Dashi (Voice)
2020
Octonauts and the Caves of Sac Actun
Dashi/Ryla (Voice)
2020
Thomas & Friends: Steam Team to the Rescue
Emily / Belle / Annie / Clarabel (voice)
2020
Thomas & Friends: Big World! Big Adventures! The Movie
Emily / Arizona Diesel / Annie and Clarabel / Rio Crane (voice)
2018
Thomas & Friends: Journey Beyond Sodor
Emily / Annie and Clarabel (voice)
2017
Thomas & Friends: Extraordinary Engines
Annie and Clarabel / Judy / The Duchess of Boxford / Stephen Hatt / Bridget Hatt (voice)
2017
Octonauts - 15 Underwater Adventures
Dashi
2016
Thomas & Friends: Full Steam To The Rescue!
Emily (UK) / Belle (UK & US) / Annie and Clarabel (UK & US) / Albert's Wife (UK & US) (voice)
2016
Thomas & Friends: Tinsel on the Tracks
Annie / Clarabel / Passenger (voice)
2016
Thomas & Friends: The Great Race
Various (voice)
2016
Thomas & Friends: Tales on the Rails
Annie (voice) / Clarabel (voice)
2015
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
Emily / Daisy / Annie / Clarabel (voice)
2015
Thomas & Friends: Whale of a Tale and Other Sodor Adventures
Emily / Belle / Annie and Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Children (voice)
2015
Thomas and Friends: The Adventure Begins
Annie and Clarabel / Judy / The Passengers (voice)
2015
Daddy Christmas
2014
Mike the Knight: Journey to Dragon Mountain
2014
Thomas & Friends: Tale of the Brave
Emily / Rosie / Annie and Clarabel (voice)
2014
Postman Pat: The Movie
Lucy Selby (voice)
2014
Thomas & Friends: Trouble on the Tracks
Mavis / Annie and Clarabel (voice)
2014
Thomas & Friends: Spills & Thrills
Mavis / Annie & Clarabel / Lady Hatt (voice)
2014
Fink
Jake
2013
Thomas & Friends: Santa's Little Engine
Emily / Belle / Annie and Clarabel (voice)
2013
Thomas & Friends: King of the Railway
Emily / Belle / Annie and Clarabel (voice)
2013
The Jungle Book: Return 2 the Jungle
2013
The Jungle Book: The Movie
Darzi
2013
Thomas & Friends: Muddy Matters
2013
Thomas & Friends: Sticky Situations
Rosie / Mavis / Schoolchildren (voice)
2012
The Adventures Of Gumball
Nicole Watterson (voice)
2012
Thomas & Friends: Blue Mountain Mystery
Emily / Mavis / Annie and Clarabel (voice)
2012
Thomas and Friends: Up Up & Away!
2012
Thomas & Friends: Day of the Diesels
Emily / Mavis / Lady Hatt / Belle (voice)
2011
Cars 2
Mater's Computer (voice)
2011
Thomas & Friends: Pop Goes Thomas
2011
Thomas & Friends: Wobbly Wheels & Whistles
2011
The King's Speech
Nurse
2010
Thomas & Friends: Splish, Splash, Splosh!
2010
Thomas & Friends: Misty Island Rescue
Emily (UK) (voice)
2010
Rainbow Magic: Return to Rainspell Island
Mrs. Walker / Queen Titania / Fern (Voice)
2010
Thomas & Friends: Thomas & The Runaway Kite
2010
Thomas & Friends: Hero of the Rails
Emily / Mavis / The Duchess Of Boxford (voice)
2009
A Christmas Carol
Tiny Tim / Ghost of Christmas Past / Fan (voice)
2006
The Jacket
Nurse Sally
2005
Topsy-Turvy
Miss Coleford
1999
The Misadventures of Margaret
Astronaught #2
1998