Name	Known for
Lara Jill Miller Henry (voice) Henry (voice) See fewer	Gimme a Break! (1981)
Grey Griffin Estelle Enormomonster / Nan-oh (voice) Estelle Enormomonster / Nan-oh (voice) See fewer	Batman: Arkham City (2011)
Tom Kenny Daddo / Grando (voice) Daddo / Grando (voice) See fewer	SpongeBob SquarePants (1999)
Rob Paulsen Denzel Dugglemonster (voice) Denzel Dugglemonster (voice) See fewer	Animaniacs (1993)
Hynden Walch Summer (voice) Summer (voice) See fewer	Adventure Time (2010)
Brian Blessed Eduardo Enormomonster (voice) Eduardo Enormomonster (voice) See fewer	Flash Gordon (1980)
Lori Alan Momma (voice) Momma (voice) See fewer	Inside Out (I) (2015)
Brenda Blethyn Ernestine Enormomonster (voice) Ernestine Enormomonster (voice) See fewer	Pride & Prejudice (2005)
Beth Chalmers Actress (voice) Actress (voice) See fewer	Crysis 3 (2013)
Sue Elliott-Nichols Actress (voice) Actress (voice) See fewer	Call the Midwife (2012)
Teresa Gallagher Actress (voice) Actress (voice) See fewer	The Amazing World of Gumball (2011)
Simon Mattacks Actor (voice) Actor (voice) See fewer	Harry Potter and the Sorcerer's Stone (2001)
Naomi McDonald Actress (voice) Actress (voice) See fewer	Go Jetters (2015)
Cree Summer Actress (voice) Actress (voice) See fewer	Atlantis: The Lost Empire (2001)
Kari Wahlgren Actress (voice) Actress (voice) See fewer	Kung Fu Panda: Legends of Awesomeness (2011)
Tim Whitnall Actor (voice) Actor (voice) See fewer	Teletubbies (1997)
Jane Whittenshaw Actress (voice) Actress (voice) See fewer	Golden Years (I) (2016)
Chiara Zanni Cobby (voice) Cobby (voice) See fewer	Valley of the Boom (2019)