Teresa Gallagher

1971 (55) • Acting

Born: 4/23/1971 (55) in New York City, New York, USA

Known for: Acting

Teresa Gallagher

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.

Known For

The Amazing World of Gumball

85%

Nicole Watterson (voice)

2011

Thomas & Friends

68%

Emily / Rosie / Mavis (voice)

1984

The Wonderfully Weird World of Gumball

87%

Nicole Watterson (voice)

2025

The Gumball Chronicles

93%

Nicole Watterson (voice)

2020

Octonauts

70%

Dashi

2010

Elliott from Earth

77%

Unknown

2021

Thunderbirds Are Go!

62%

EOS (voice)

2015

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

74%

Emily / Marion / Daisy / Natalie / American Diesel / Annie / Clarabel / Cassia (voice)

2018

The Wonderfully Weird World of Gumball

87%

Nicole Watterson (voice)

2025

Spiked

80%

Acorn Bunny (voice)

2025

Isadora Moon

Unknown

2023

The Octonauts & the Great Summer Adventure

Dashi (voice)

2023

Incredible Ant

60%

Unity (voice)

2022

The Creature Cases

79%

(voice)

2022

Elliott from Earth

77%

Unknown

2021

Thomas and Friends: The Super Engine

20%

Stephen Hatt / Bridget Hatt / Annie / Clarabel / Emily (voice)

2021

Octonauts & the Ring of Fire

63%

Dashi (voice)

2021

Octonauts and the Great Barrier Reef

54%

Dashi (Voice)

2020

The Gumball Chronicles

93%

Nicole Watterson (voice)

2020

Thomas & Friends: Marvellous Machinery

20%

Emily / Annie / Clarabel (voice)

2020

Octonauts and the Caves of Sac Actun

67%

Dashi/Ryla (Voice)

2020

Thomas and Friends: The Royal Engine

15%

Emily (voice)

2020

JoJo & Gran Gran

100%

Cynthia

2020

Thomas & Friends: Steam Team to the Rescue

Emily / Belle / Annie / Clarabel / Teacher / Albert's Wife (voice)

2020

Thomas & Friends: Digs & Discoveries

48%

Brenda (voice)

2019

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

74%

Emily / Marion / Daisy / Natalie / American Diesel / Annie / Clarabel / Cassia (voice)

2018

Thomas & Friends: On the Go with Thomas

100%

Emily / Annie / Passengers / Clarabel / Albert's Wife (voice)

2018

Thomas & Friends: Danger at the Docks

Emily / Passengers / Mavis / Judy / Albert's Wife (voice)

2018

Thomas & Friends: Christmas on Sodor

95%

Annie / Clarabel / Lady Hatt / People / Belle / Mavis / Judy / Carolers / Children (voice)

2017

Thomas & Friends: Journey Beyond Sodor

71%

Emily / Annie / Clarabel (voice)

2017

Thomas & Friends: Extraordinary Engines

100%

Lady Hatt / Stephen Hatt / Bridget Hatt (voice) (uncredited)

2017

Thomas & Friends: Tales from the Rails

100%

Children / Annie / Clarabel / Emily (voice)

2017

Magiki

Billie

2017

Thomas and Friends: Ultimate Friendship Adventures

Annie / Clarabel / Belle / Albert's Wife (voice)

2016

Octonauts - 15 Underwater Adventures

Dashi

2016

Thomas & Friends: Full Steam to the Rescue!

60%

Belle / Emily / Annie / Clarabel / Albert's Wife (voice)

2016