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Teresa Gallagher

Acting

Born April 23, 1971 · New York City, New York, USA

Also known as Tessa Gallagher · Theresa 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!.

Filmography31 titles

The Gumball Chronicles

2020as Nicole Watterson (voice)

The Wonderfully Weird World of Gumball

2025as Nicole Watterson (voice)

The Amazing World of Gumball

2011as Nicole Watterson (voice)

Fleabag Monkeyface

The Creature Cases

2022as (voice)

The King's Speech

2010as Nurse

Thomas & Friends: Big World! Big Adventures! The Movie

2018as Marion / Natalie / Arizona Diesel / Annie & Clarabel / Rio Crane (voice)

Octonauts

2010as Dashi

Mike the Knight: Journey to Dragon Mountain

2014

Thomas & Friends: Journey Beyond Sodor

2017as Emily / Annie and Clarabel (voice)

The Jacket

2005as Nurse Sally

Thomas & Friends: Hero of the Rails

2009as Emily / Mavis / The Duchess Of Boxford (voice)

Thomas & Friends

1984as Emily (voice)

Ronja, the Robber's Daughter

2014as Ronja (voice, English version)

Octonauts and the Caves of Sac Actun

2020as Dashi/Ryla (Voice)

Topsy-Turvy

1999as Miss Coleford

Octonauts and the Ring of Fire

2021as Dashi (voice)

Thomas & Friends: Tale of the Brave

2014as Emily / Rosie / Annie and Clarabel (voice)

Thomas & Friends: Sodor's Legend of the Lost Treasure

2015as Emily / Daisy / Annie / Clarabel (voice)

Thunderbirds Are Go

2015as EOS (voice)

Cars 2

2011as Mater's Computer (voice)

A Christmas Carol

2006as Tiny Tim / Ghost of Christmas Past / Fan (voice)

Thomas & Friends: Day of the Diesels

2011as Emily / Mavis / Lady Hatt / Belle (voice)

Thomas and Friends: Up Up & Away!

2012

Thomas & Friends: King of the Railway

2013as Emily / Belle / Annie and Clarabel (voice)

Thomas & Friends: Misty Island Rescue

2010as Emily (voice)

Thomas & Friends: The Great Race

2016as Various (voice)

Octonauts and the Great Barrier Reef

2020as Dashi (Voice)

Postman Pat: The Movie

2014as Lucy Selby (voice)

Fink

2013as Jake

Isadora Moon