Teresa Gallagher
Acting
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!.
Notable Works
Prominent titles featuring Teresa Gallagher
Filmography
Acting (69)
2025
Spikedas Acorn Bunny (voice)
8.0
2023
The Octonauts & the Great Summer Adventureas Dashi (voice)
2021
Thomas & Friends: Animal Adventuresas Emily / Annie / Clarabel / Belle (voice)
2021
Thomas and Friends: The Super Engineas Stephen Hatt / Bridget Hatt / Annie / Clarabel / Emily (voice)
2.0
2021
Octonauts & the Ring of Fireas Dashi (voice)
6.3
2020
Octonauts and the Great Barrier Reefas Dashi (Voice)
5.4
2020
Thomas & Friends: Marvellous Machineryas Emily / Annie / Clarabel (voice)
2.0
2020
Octonauts and the Caves of Sac Actunas Dashi/Ryla (Voice)
6.7
2020
Thomas & Friends: Carnival Day!as Emily / Stephen Hatt / Bridget Hatt / Sodor Rangers (voice)
2020
Thomas and Friends: The Royal Engineas Emily (voice)
1.5
2020
Thomas & Friends: Steam Team to the Rescueas Emily / Belle / Annie / Clarabel / Teacher / Albert's Wife (voice)
2019
Thomas & Friends: A Colourful Worldas Emily / Duchess of Boxford / Blonde Girl / Clarabel / Stephen Hatt / Bridget Hatt (voice)
2019
Thomas & Friends: Digs & Discoveriesas Brenda (voice)
4.8
2019
Thomas & Friends: Monkey Trouble!as Emily / Judy / Annie / Clarabel / Lady Hatt (voice)
2018
Thomas & Friends: Here Comes the Steam Team!as Emily / Belle / Annie / Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Madeleine's Mother (voice)
2018
Thomas & Friends: Big World! Big Adventures! The Movieas Emily / Marion / Daisy / Natalie / American Diesel / Annie / Clarabel / Cassia (voice)
7.4
2018
Thomas & Friends: On the Go with Thomasas Emily / Annie / Passengers / Clarabel / Albert's Wife (voice)
10.0
2018
Thomas & Friends: Danger at the Docksas Emily / Passengers / Mavis / Judy / Albert's Wife (voice)
2017
Thomas & Friends: Christmas on Sodoras Annie / Clarabel / Lady Hatt / People / Belle / Mavis / Judy / Carolers / Children (voice)
9.5
2017
Thomas & Friends: Journey Beyond Sodoras Emily / Annie / Clarabel (voice)
7.3
2017
Thomas & Friends: Extraordinary Enginesas Lady Hatt / Stephen Hatt / Bridget Hatt (voice) (uncredited)
10.0
2017
Thomas & Friends: Tales from the Railsas Children / Annie / Clarabel / Emily (voice)
10.0
2016
Thomas and Friends: Ultimate Friendship Adventuresas Annie / Clarabel / Belle / Albert's Wife (voice)
2016
2016
Thomas & Friends: Full Steam to the Rescue!as Belle / Emily / Annie / Clarabel / Albert's Wife (voice)
6.0
2016
Thomas & Friends: Tinsel on the Tracksas Annie / Clarabel / Passenger (voice)
7.5
2016
Thomas & Friends: The Great Raceas Emily / Belle / Frieda / Gina / Daisy / Marion / Annie / Clarabel (voice)
6.0
2016
Thomas & Friends: Start Your Engines!as Annie / Clarabel / Barrow Soccer Fan (voice)
6.2
2015
Thomas & Friends: Tales on the Railsas Annie / Clarabel / Children / Mavis (voice)
2015
Thomas & Friends: Thomas' Christmas Carolas Children (voice)
7.0
2015
Thomas & Friends: 1st Class Storiesas Emily / Mavis / Children / Duchess of Boxford / Little Boy / Passengers / Annie / Clarabel (voice)
2015
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movieas Emily / Daisy / Annie / Clarabel / Children (voice)
6.5
2015
Thomas & Friends: Whale of a Tale and Other Sodor Adventuresas Belle / Annie / Clarabel / Schoolchildren / Stephen Hatt / Bridget Hatt (voice)
8.5
2015
Thomas and Friends: The Adventure Beginsas Annie / Clarabel / Judy / Children (voice)
7.8
2015
Thomas & Friends: Dinos and Discoveriesas Annie / Clarabel / Emily (voice)
6.0
2014
2014
Thomas & Friends: The Christmas Enginesas Schoolchildren / Passengers (voice)
5.5
2014
Thomas & Friends: Engines to the Rescueas Belle / Annie / Clarabel / Children (voice)
2014
Thomas & Friends: Tale of the Braveas Emily / Annie / Clarabel (voice)
6.7
2014
Postman Pat: The Movieas Lucy Selby (voice)
5.1
2014
Thomas & Friends: Trouble on the Tracksas Mavis / Annie / Clarabel (voice)
5.9
2014
Thomas & Friends: Spills and Thrillsas Emily / Mavis / Lady Hatt (voice)
6.4
2014
Thomas & Friends: Signals Crossedas Annie / Clarabel / Lady with Big Hat / Children
10.0
2013
Thomas & Friends: The Thomas Wayas Little Boy / Passengers / Duchess of Boxford (voice)
5.0
2013
Thomas & Friends: Big Bang Surpriseas Rosie / Emily / Mavis / Duchess of Boxford (voice)
10.0
2013
Finkas Jake
2013
Thomas & Friends: Santa's Little Engineas Annie / Clarabel / Children (voice)
6.7
2013
Thomas & Friends: Railway Mischiefas Annie / Clarabel / Emily (voice)
10.0
2013
Thomas & Friends: King of the Railwayas Emily / Belle / Annie / Clarabel (voice)
6.2
2013
The Jungle Book: The Movieas Darzi
6.2
2012
The Adventures Of Gumballas Nicole Watterson (voice)
2012
Thomas & Friends: Blue Mountain Mysteryas Emily / Mavis / Annie / Clarabel (voice)
6.8
2012
Thomas & Friends: Schoolhouse Deliveryas Ginger Boy (voice)
6.8
2012
Thomas & Friends: The Best of Jamesas Emily / Bridget Hatt / Little Girls (voice)
2012
Thomas & Friends: The Best of Percyas Mavis / Ginger Boy / Children / Emily (voice)
2011
Thomas & Friends: Merry Christmas, Thomas!as Ginger Boy (voice)
4.8
2011
Thomas & Friends: Day of the Dieselsas Emily / Belle / Mavis / Lady Hatt / Bridget Hatt (voice)
6.5
2011
Cars 2as Mater's Computer (voice)
6.2
2010
The King's Speechas Nurse
7.7
2010
Thomas & Friends: Merry Winter Wishas Ginger Boy (voice)
8.0
2010
Thomas & Friends: Misty Island Rescueas Emily (voice)
5.9
2010
Rainbow Magic: Return to Rainspell Islandas Mrs. Walker / Queen Titania / Fern (Voice)
2009
Thomas & Friends: Hero of the Railsas Emily / Mavis / Duchess of Boxford (voice)
7.2
2006
A Christmas Carolas Tiny Tim / Ghost of Christmas Past / Fan (voice)
6.2
2005
The Jacketas Nurse Sally
6.9
1999
Topsy-Turvyas Miss Coleford
6.6
1998
The Misadventures of Margaretas Astronaught #2
5.1