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