
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!.
Top Filmography

The King's Speech
2010 // MOVIE

Cars 2
2011 // MOVIE

The Amazing World of Gumball
2011 // TV

The Jacket
2005 // MOVIE

Topsy-Turvy
1999 // MOVIE

Thomas & Friends
1984 // TV

The Gumball Chronicles
2020 // TV

The Wonderfully Weird World of Gumball
2025 // TV

Elliott from Earth
2021 // TV

Postman Pat: The Movie
2014 // MOVIE

Octonauts
2010 // TV

Thunderbirds Are Go!
2015 // TV

Thomas & Friends: Big World! Big Adventures! The Movie
2018 // MOVIE

Thomas & Friends: Big World! Big Adventures! The Movie
2018 // MOVIE

Octonauts and the Caves of Sac Actun
2020 // MOVIE