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!.
42 movies · 22 shows
Spiked
2025·8.0
The Octonauts & the Great Summer Adventure
2023·0.0
Thomas and Friends: The Adventure Begins
2023·8.3
Octonauts & the Ring of Fire
2021·6.3
Octonauts and the Great Barrier Reef
2020·5.4
Octonauts and the Caves of Sac Actun
2020·6.6
Thomas & Friends: Steam Team to the Rescue
2020·0.0
Thomas & Friends: Big World! Big Adventures! The Movie
2018·7.3
Thomas & Friends: Journey Beyond Sodor
2017·6.9
Thomas & Friends: Extraordinary Engines
2017·10.0
Octonauts - 15 Underwater Adventures
2016·0.0
Thomas & Friends: Full Steam To The Rescue!
2016·6.0
Thomas & Friends: Tinsel on the Tracks
2016·7.5
Thomas & Friends: The Great Race
2016·5.5
Thomas & Friends: Tales on the Rails
2015·0.0
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
2015·6.2
Thomas & Friends: Whale of a Tale and Other Sodor Adventures
2015·8.5
Daddy Christmas
2014·0.0
Mike the Knight: Journey to Dragon Mountain
2014·7.0
Thomas & Friends: Tale of the Brave
2014·6.3
Postman Pat: The Movie
2014·5.2
Thomas & Friends: Trouble on the Tracks
2014·5.9
Thomas & Friends: Spills & Thrills
2014·6.4
Fink
2013·0.0
Thomas & Friends: Santa's Little Engine
2013·6.7
Thomas & Friends: King of the Railway
2013·5.7
The Jungle Book: Return 2 the Jungle
2013·7.5
The Jungle Book: The Movie
2013·6.2
The Adventures Of Gumball
2012·0.0
Thomas & Friends: Blue Mountain Mystery
2012·6.5
Thomas & Friends: Merry Christmas, Thomas!
2011·4.8
Thomas & Friends: Day of the Diesels
2011·6.1
Cars 2
2011·6.2
The King's Speech
2010·7.7
Thomas & Friends: Merry Winter Wish
2010·8.0
Thomas & Friends: Misty Island Rescue
2010·5.6
Rainbow Magic: Return to Rainspell Island
2010·0.0
Thomas & Friends: Hero of the Rails
2009·6.8
A Christmas Carol
2006·6.2
The Jacket
2005·6.9
Topsy-Turvy
1999·6.6
The Misadventures of Margaret
1998·5.1