Teresa Gallagher

Biography

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!.

Known For

The Amazing World of Gumball

Octonauts

Thomas & Friends

Cars 2

The Creature Cases

The Wonderfully Weird World of Gumball

All Movies (49)

Spiked2025 · as Acorn Bunny (voice)
The Octonauts & the Great Summer Adventure2023 · as Dashi (voice)
Thomas and Friends: The Adventure Begins2023 · as Annie and Clarabel / Judy / The Passengers (voice)
Octonauts and the Ring of Fire2021 · as Dashi (voice)
Octonauts and the Great Barrier Reef2020 · as Dashi (Voice)
Octonauts and the Caves of Sac Actun2020 · as Dashi/Ryla (Voice)
Thomas & Friends: Steam Team to the Rescue2020 · as Emily / Belle / Annie / Clarabel (voice)
Thomas & Friends: Big World! Big Adventures! The Movie2018 · as Emily / Arizona Diesel / Annie and Clarabel / Rio Crane (voice)
Thomas & Friends: Big World! Big Adventures! The Movie2018 · as Marion / Natalie / Arizona Diesel / Annie & Clarabel / Rio Crane (voice)
Thomas & Friends: Journey Beyond Sodor2017 · as Emily / Annie and Clarabel (voice)
Thomas & Friends: Extraordinary Engines2017 · as Annie and Clarabel / Judy / The Duchess of Boxford / Stephen Hatt / Bridget Hatt (voice)
Octonauts - 15 Underwater Adventures2016 · as Dashi
Thomas & Friends: Full Steam To The Rescue!2016 · as Emily / Belle / Annie and Clarabel / Albert's Wife (voice)
Thomas & Friends: Tinsel on the Tracks2016 · as Annie / Clarabel / Passenger (voice)
Thomas & Friends: The Great Race2016 · as Various (voice)
Thomas & Friends: Tales on the Rails2015 · as Annie (voice) / Clarabel (voice)
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie2015 · as Emily / Daisy / Annie / Clarabel (voice)
Thomas & Friends: Whale of a Tale and Other Sodor Adventures2015 · as Emily / Belle / Annie and Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Children (voice)
Daddy Christmas2014
Mike the Knight: Journey to Dragon Mountain2014
Thomas & Friends: Tale of the Brave2014 · as Emily / Rosie / Annie and Clarabel (voice)
Postman Pat: The Movie2014 · as Lucy Selby (voice)
Thomas & Friends: Trouble on the Tracks2014 · as Mavis / Annie and Clarabel (voice)
Thomas & Friends: Spills & Thrills2014 · as Mavis / Annie & Clarabel / Lady Hatt (voice)
Fink2013 · as Jake
Thomas & Friends: Santa's Little Engine2013 · as Emily / Belle / Annie and Clarabel (voice)
Thomas & Friends: King of the Railway2013 · as Emily / Belle / Annie and Clarabel (voice)
The Jungle Book: Return 2 the Jungle2013
The Jungle Book: The Movie2013 · as Darzi
Thomas & Friends: Muddy Matters2013
Thomas & Friends: Sticky Situations2012 · as Rosie / Mavis / Schoolchildren (voice)
The Adventures Of Gumball2012 · as Nicole Watterson (voice)
Thomas & Friends: Blue Mountain Mystery2012 · as Emily / Mavis / Annie and Clarabel (voice)
Thomas and Friends: Up Up & Away!2012
Thomas & Friends: Day of the Diesels2011 · as Emily / Mavis / Lady Hatt / Belle (voice)
Cars 22011 · as Mater's Computer (voice)
Thomas & Friends: Pop Goes Thomas2011
Thomas & Friends: Wobbly Wheels & Whistles2011
The King's Speech2010 · as Nurse
Thomas & Friends: The Lion of Sodor2010 · as Teacher (voice) / Children (voice)
Thomas & Friends: Misty Island Rescue2010 · as Emily (voice)
Rainbow Magic: Return to Rainspell Island2010 · as Mrs. Walker / Queen Titania / Fern (Voice)
Thomas & Friends: Thomas & The Runaway Kite2010 · as Emily (voice) / Lady Hatt (voice) / Bridget Hatt (voice)
Thomas & Friends: Splish, Splash, Splosh!2009 · as Emily (voice) / Rosie (voice)
Thomas & Friends: Hero of the Rails2009 · as Emily / Mavis / The Duchess Of Boxford (voice)
A Christmas Carol2006 · as Tiny Tim / Ghost of Christmas Past / Fan (voice)
The Jacket2005 · as Nurse Sally
Topsy-Turvy1999 · as Miss Coleford
The Misadventures of Margaret1998 · as Astronaught #2

All TV Shows (24)

The Wonderfully Weird World of Gumball2025 · as Nicole Watterson (voice)
Isadora Moon2023
Incredible Ant2022 · as Unity (voice)
The Creature Cases2022 · as (voice)
Elliott from Earth2021
The Gumball Chronicles2020 · as Nicole Watterson (voice)
JoJo & Gran Gran2020 · as Cynthia
Magiki2017 · as Billie
Thunderbirds Are Go!2015 · as EOS (voice)
Ronja, the Robber's Daughter2014 · as Ronja (voice, English version)
Fleabag Monkeyface2011
The Amazing World of Gumball2011 · as Nicole Watterson (voice)
The Amazing World of Gumball2011 · as Margaret Robinson (voice)
Poppy Cat2011 · as Egbert (voice)
Mr Bloom's Nursery2011
Octonauts2010 · as Dashi
Noddy in Toyland2009
Get Squiggling!2008
Frankenstein's Cat2007 · as Sweeny
Mama Mirabelle's Home Movies2007 · as Karla (voice)
Footballers' Wives2002 · as Sarah Mortimer
Footballers' Wives2002 · as Sarah
Thomas & Friends1984 · as Emily / Rosie / Mavis (voice)
Thomas & Friends1984 · as Emily (voice)