ACTOR
Teresa Gallagher
Known for Cars 2 · The Amazing World of Gumball · The Jacket
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…
Snapshot 2026-10-16
- Born
- Apr 23, 1971
- Birthplace
- New York City, New York, USA
- Known For
- 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!.
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Known For
MOVIE
Cars 2Mater's Computer (voice) · 2011
★ 6.2
★ 6.2
TV
The Amazing World of GumballNicole Watterson / Penny Fitzgerald / Teri / Mrs. Robinson (voice) · 2011
★ 8.5
★ 8.5
MOVIE
The JacketNurse Sally · 2005
★ 6.9
★ 6.9
MOVIE
Topsy-TurvyMiss Coleford · 1999
★ 6.6
★ 6.6
TV
OctonautsDashi · 2010
★ 7.0
★ 7.0
MOVIE
Octonauts and the Caves of Sac ActunDashi/Ryla (Voice) · 2020
★ 6.6
★ 6.6
MOVIE
Thomas & Friends: Day of the DieselsEmily / Belle / Mavis / Lady Hatt / Bridget Hatt (voice) · 2011
★ 6.5
★ 6.5
MOVIE
Octonauts and the Ring of FireDashi (voice) · 2021
★ 6.3
★ 6.3
Filmography
Movies
The Misadventures of MargaretAstronaught #2
1998
Topsy-TurvyMiss Coleford
1999
BloodNewsreader (voice)
2000
The JacketNurse Sally
2005
A Christmas CarolTiny Tim / Ghost of Christmas Past / Fan (voice)
2006
Thomas & Friends: Hero of the RailsEmily / Mavis / Duchess of Boxford (voice)
2009
Rainbow Magic: Return to Rainspell IslandMrs. Walker / Queen Titania / Fern (Voice)
2010
The King's SpeechNurse
2010
Thomas & Friends: Merry Winter WishGinger Boy (voice)
2010
Thomas & Friends: Misty Island RescueEmily (voice)
2010
Cars 2Mater's Computer (voice)
2011
Thomas & Friends: Day of the DieselsEmily / Belle / Mavis / Lady Hatt / Bridget Hatt (voice)
2011
Thomas & Friends: Merry Christmas, Thomas!Ginger Boy (voice)
2011TA
The Adventures Of GumballNicole Watterson (voice)
2012
Thomas & Friends: Blue Mountain MysteryEmily / Mavis / Annie / Clarabel (voice)
2012
Thomas & Friends: Schoolhouse DeliveryGinger Boy (voice)
2012
Thomas & Friends: The Best of JamesEmily / Bridget Hatt / Little Girls (voice)
2012
Thomas & Friends: The Best of PercyMavis / Ginger Boy / Children / Emily (voice)
2012F
FinkJake
2013
The Jungle Book: Return 2 the Jungle
2013
The Jungle Book: The MovieDarzi
2013
Thomas & Friends: Big Bang SurpriseRosie / Emily / Mavis / Duchess of Boxford (voice)
2013
Thomas & Friends: King of the RailwayEmily / Belle / Annie / Clarabel (voice)
2013
Thomas & Friends: Railway MischiefAnnie / Clarabel / Emily (voice)
2013
Thomas & Friends: Santa's Little EngineAnnie / Clarabel / Children (voice)
2013
Thomas & Friends: The Thomas WayLittle Boy / Passengers / Duchess of Boxford (voice)
2013
Awesome Adventures: Party Surprise!Emily / Additional Voices (voice)
2014DC
Daddy Christmas
2014
Mike the Knight: Journey to Dragon Mountain
2014
Postman Pat: The MovieLucy Selby (voice)
2014
Thomas & Friends: Engines to the RescueBelle / Annie / Clarabel / Children (voice)
2014
Thomas & Friends: Signals CrossedAnnie / Clarabel / Lady with Big Hat / Children
2014
Thomas & Friends: Spills and ThrillsEmily / Mavis / Lady Hatt (voice)
2014
Thomas & Friends: Tale of the BraveEmily / Annie / Clarabel (voice)
2014
Thomas & Friends: The Christmas EnginesSchoolchildren / Passengers (voice)
2014
Thomas & Friends: Trouble on the TracksMavis / Annie / Clarabel (voice)
2014
Thomas & Friends: 1st Class StoriesEmily / Mavis / Children / Duchess of Boxford / Little Boy / Passengers / Annie / Clarabel (voice)
2015
Thomas & Friends: Dinos and DiscoveriesAnnie / Clarabel / Emily (voice)
2015
Thomas & Friends: Sodor's Legend of the Lost Treasure: The MovieEmily / Daisy / Annie / Clarabel / Children (voice)
2015
Thomas & Friends: Tales on the RailsAnnie / Clarabel / Children / Mavis (voice)
2015
Thomas & Friends: Thomas' Christmas CarolChildren (voice)
2015
Thomas & Friends: Whale of a Tale and Other Sodor AdventuresBelle / Annie / Clarabel / Schoolchildren / Stephen Hatt / Bridget Hatt (voice)
2015
Thomas and Friends: The Adventure BeginsAnnie / Clarabel / Judy / Children (voice)
2015
Octonauts - 15 Underwater AdventuresDashi
2016
Thomas & Friends: Full Steam to the Rescue!Belle / Emily / Annie / Clarabel / Albert's Wife (voice)
2016
Thomas & Friends: Start Your Engines!Annie / Clarabel / Barrow Soccer Fan (voice)
2016
Thomas & Friends: The Great RaceEmily / Belle / Frieda / Gina / Daisy / Marion / Annie / Clarabel (voice)
2016
Thomas & Friends: Tinsel on the TracksAnnie / Clarabel / Passenger (voice)
2016
Thomas and Friends: Ultimate Friendship AdventuresAnnie / Clarabel / Belle / Albert's Wife (voice)
2016
Thomas & Friends: Christmas on SodorAnnie / Clarabel / Lady Hatt / People / Belle / Mavis / Judy / Carolers / Children (voice)
2017
Thomas & Friends: Extraordinary EnginesLady Hatt / Stephen Hatt / Bridget Hatt (voice) (uncredited)
2017
Thomas & Friends: Journey Beyond SodorEmily / Annie / Clarabel (voice)
2017
Thomas & Friends: Tales from the RailsChildren / Annie / Clarabel / Emily (voice)
2017
Thomas & Friends: Big World! Big Adventures! The MovieEmily / Marion / Daisy / Natalie / American Diesel / Annie / Clarabel / Cassia (voice)
2018
Thomas & Friends: Danger at the DocksEmily / Passengers / Mavis / Judy / Albert's Wife (voice)
2018
Thomas & Friends: Here Comes the Steam Team!Emily / Belle / Annie / Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Madeleine's Mother (voice)
2018
Thomas & Friends: On the Go with ThomasEmily / Annie / Passengers / Clarabel / Albert's Wife (voice)
2018
Thomas & Friends: A Colourful WorldEmily / Duchess of Boxford / Blonde Girl / Clarabel / Stephen Hatt / Bridget Hatt (voice)
2019
Thomas & Friends: Digs & DiscoveriesBrenda (voice)
2019
Thomas & Friends: Monkey Trouble!Emily / Judy / Annie / Clarabel / Lady Hatt (voice)
2019
Octonauts and the Caves of Sac ActunDashi/Ryla (Voice)
2020
Octonauts and the Great Barrier ReefDashi (Voice)
2020
Thomas & Friends: Carnival Day!Emily / Stephen Hatt / Bridget Hatt / Sodor Rangers (voice)
2020
Thomas & Friends: Marvellous MachineryEmily / Annie / Clarabel (voice)
2020
Thomas & Friends: Steam Team to the RescueEmily / Belle / Annie / Clarabel / Teacher / Albert's Wife (voice)
2020
Thomas and Friends: The Royal EngineEmily (voice)
2020
Octonauts and the Ring of FireDashi (voice)
2021
Thomas & Friends: Animal AdventuresEmily / Annie / Clarabel / Belle (voice)
2021
Thomas and Friends: The Super EngineStephen Hatt / Bridget Hatt / Annie / Clarabel / Emily (voice)
2021
The Octonauts & the Great Summer AdventureDashi (voice)
2023
SpikedAcorn Bunny (voice)
2025Television
Thomas & FriendsEmily (voice) · 276 eps
1984
Footballers' WivesSarah Mortimer · 1 eps
2002Footballers' WivesSarah · 1 eps
2002
Frankenstein's CatSweeny · 28 eps
2007
Mama Mirabelle's Home MoviesKarla (voice) · 26 eps
2007
Get Squiggling!76 eps
2008
Noddy in Toyland52 eps
2009
OctonautsDashi · 247 eps
2010
Fleabag Monkeyface52 eps
2011
Mr Bloom's Nursery72 eps
2011
Poppy CatEgbert (voice) · 104 eps
2011
The Amazing World of GumballNicole Watterson / Penny Fitzgerald / Teri / Mrs. Robinson (voice) · 240 eps
2011
Thunderbirds Are Go!EOS (voice) · 78 eps
2015
What's the Big Idea?雨果(Hugo)(voice) · 52 eps
2015
MagikiBillie · 52 eps
2017
JoJo & Gran GranCynthia · 127 eps
2020
The Gumball ChroniclesNicole Watterson (voice) · 8 eps
2020
Elliott from Earth16 eps
2021
Incredible AntUnity (voice) · 1 eps
2022
The Creature Cases(voice) · 23 eps
2022
Isadora Moon24 eps
2023
The Wonderfully Weird World of GumballNicole Watterson (voice) · 40 eps
2025Photos
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