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Personal Info
Known For
Acting
Birthday
April 23, 1971
Place of Birth
New York City, New York, USA
Also Known As
- Tessa Gallagher
- Theresa Gallagher
Teresa Gallagher
0.5 Popularity
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
8.5
Nicole Watterson (voice)
The Wonderfully Weird World of Gumball
2025
0.0
Isadora Moon
2023
🎬
0.0
Dashi (voice)
The Octonauts & the Great Summer Adventure
2023
6.0
Unity (voice)
Incredible Ant
2022
7.8
(voice)
The Creature Cases
2022
7.7
Elliott from Earth
2021
6.3
Dashi (voice)
Octonauts and the Ring of Fire
2021
5.4
Dashi (Voice)
Octonauts and the Great Barrier Reef
2020
9.3
Nicole Watterson (voice)
The Gumball Chronicles
2020
6.6
Dashi/Ryla (Voice)
Octonauts and the Caves of Sac Actun
2020
Credits
The Wonderfully Weird World of Gumball
as Nicole Watterson (voice)
2025
8.5
Isadora Moon
2023
0.0
🎬
The Octonauts & the Great Summer Adventure
as Dashi (voice)
2023
0.0
Incredible Ant
as Unity (voice)
2022
6.0
The Creature Cases
as (voice)
2022
7.8
Elliott from Earth
2021
7.7
Octonauts and the Ring of Fire
as Dashi (voice)
2021
6.3
Octonauts and the Great Barrier Reef
as Dashi (Voice)
2020
5.4
The Gumball Chronicles
as Nicole Watterson (voice)
2020
9.3
Octonauts and the Caves of Sac Actun
as Dashi/Ryla (Voice)
2020
6.6
JoJo & Gran Gran
as Cynthia
2020
10.0
Thomas & Friends: Steam Team to the Rescue
as Emily / Belle / Annie / Clarabel (voice)
2020
0.0
Thomas & Friends: Big World! Big Adventures! The Movie
as Emily / Arizona Diesel / Annie and Clarabel / Rio Crane (voice)
2018
7.4
Thomas & Friends: Big World! Big Adventures! The Movie
as Marion / Natalie / Arizona Diesel / Annie & Clarabel / Rio Crane (voice)
2018
7.4
Thomas & Friends: Journey Beyond Sodor - The Movie
as Emily / Annie and Clarabel (voice)
2017
6.9
Thomas & Friends: Extraordinary Engines
as Annie and Clarabel / Judy / The Duchess of Boxford / Stephen Hatt / Bridget Hatt (voice)
2017
10.0
Magiki
as Billie
2017
0.0
Octonauts - 15 Underwater Adventures
as Dashi
2016
0.0
Thomas & Friends: Full Steam To The Rescue!
as Emily (UK) / Belle (UK & US) / Annie and Clarabel (UK & US) / Albert's Wife (UK & US) (voice)
2016
6.0
Thomas & Friends: Tinsel on the Tracks
as Annie / Clarabel / Passenger (voice)
2016
7.5
Thomas & Friends: The Great Race
as Various (voice)
2016
5.5
Thomas & Friends: Tales on the Rails
as Annie (voice) / Clarabel (voice)
2015
0.0
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
as Emily / Daisy / Annie / Clarabel (voice)
2015
6.2
Thomas & Friends: Whale of a Tale and Other Sodor Adventures
as Emily / Belle / Annie and Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Children (voice)
2015
8.5
Thunderbirds Are Go!
as EOS (voice)
2015
6.2
Thomas and Friends: The Adventure Begins
as Annie and Clarabel / Judy / The Passengers (voice)
2015
7.2
🎬
Daddy Christmas
2014
0.0
Ronja, the Robber's Daughter
as Ronja (voice, English version)
2014
6.7
Mike the Knight: Journey to Dragon Mountain
2014
7.0
Thomas & Friends: Tale of the Brave: The Movie
as Emily / Rosie / Annie and Clarabel (voice)
2014
6.4
Postman Pat: The Movie
as Lucy Selby (voice)
2014
5.1
Thomas & Friends: Trouble on the Tracks
as Mavis / Annie and Clarabel (voice)
2014
5.9
Thomas & Friends: Spills & Thrills
as Mavis / Annie & Clarabel / Lady Hatt (voice)
2014
6.4
🎬
Fink
as Jake
2013
0.0
Thomas & Friends: Santa's Little Engine
as Emily / Belle / Annie and Clarabel (voice)
2013
6.7
Thomas & Friends: King of the Railway
as Emily / Belle / Annie and Clarabel (voice)
2013
5.8
The Jungle Book: Return 2 the Jungle
2013
7.5
The Jungle Book: The Movie
as Darzi
2013
6.1
Thomas & Friends: Blue Mountain Mystery - The Movie
as Emily / Mavis / Annie and Clarabel (voice)
2012
6.5
Fleabag Monkeyface
2011
8.5
Thomas & Friends: Day of the Diesels - The Movie
as Emily / Belle / Mavis / Lady Hatt (voice)
2011
6.3
Cars 2
as Mater's Computer (voice)
2011
6.2
The Amazing World of Gumball
as Nicole Watterson (voice)
2011
8.5
Poppy Cat
as Egbert (voice)
2011
10.0
Mr Bloom's Nursery
2011
0.0
The King's Speech
as Nurse
2010
7.7
Octonauts
as Dashi
2010
7.2
Thomas & Friends: Misty Island Rescue
as Emily (voice)
2010
5.6
Rainbow Magic: Return to Rainspell Island
as Mrs. Walker / Queen Titania / Fern (Voice)
2010
0.0
Thomas & Friends: Hero of the Rails - The Movie
as Emily / Mavis / The Duchess Of Boxford (voice)
2009
6.9
Noddy in Toyland
2009
10.0
Get Squiggling!
2008
0.0
Frankenstein's Cat
as Sweeny
2007
0.0
Mama Mirabelle's Home Movies
as Karla (voice)
2007
8.0
A Christmas Carol
as Tiny Tim / Ghost of Christmas Past / Fan (voice)
2006
6.2
The Jacket
as Nurse Sally
2005
6.9
Footballers' Wives
as Sarah Mortimer
2002
5.1
Footballers' Wives
as Sarah
2002
5.1
Topsy-Turvy
as Miss Coleford
1999
6.6
The Misadventures of Margaret
as Astronaught #2
1998
4.7
Thomas & Friends
as Emily / Rosie / Mavis (voice)
1984
6.8