Teresa Gallagher (born April 23, 1971)[1] is an American-born[2] British voice actress, 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 (UK/US), Emily (UK), Rosie (UK), Mavis (UK/US), Gina (UK/US), Frieda (UK/US) and numerous characters in Thomas & Friends, EOS and various guest characters in Thunderbirds Are Go, Elias and Helinor in Elias: Rescue Team Adventures and the Tiddlytubbies (UK/US) in the 2015 reboot of Teletubbies.

For Disney, she voiced Mater's computer in Cars 2 and its video gamethe titular character in the United Kingdom version of the Henry Hugglemonster, Dashi in the Disney Junior British television series The Octonauts, and Jessica Wright, Mallory and Lolo Calorie in the Disney XD British/French television series Dude, That's My Ghost!.


  1. Dan5589's message to Lightening McQueen on Thomas the Tank Engine Wikia, June 25, 2015
  2. Interview - Teresa Gallagher - Sodor Island