Name	Known for
Ross Breen Captain Barnacles (UK & US) (singing voice) Captain Barnacles (UK & US) (singing voice) See fewer	The Octonauts (2010)
Teresa Gallagher Dashi (UK) (voice) Dashi (UK) (voice) See fewer	The Amazing World of Gumball (2011)
Wayne Grayson Peso (US) (voice) Peso (US) (voice) See fewer	Teenage Mutant Ninja Turtles (2003)
Simon Greenall Captain Barnacles (UK & US) (voice) Captain Barnacles (UK & US) (voice) See fewer	Alan Partridge (2013)
Jaimie Kelton Tweak (US) (voice) Tweak (US) (voice) See fewer	Happy! (2017)
Gary Littman Additional Voices (US) (voice) (as Gary Mack) Additional Voices (US) (voice) (as Gary Mack) See fewer	The Blacklist (2013)
Mary Murphy Dashi (US) (voice) Dashi (US) (voice) See fewer	The Octonauts (2010)
Michael Murphy Tunip (UK & US) (voice) (as Michael C. Murphy) Tunip (UK & US) (voice) (as Michael C. Murphy) See fewer	The Octonauts (2010)
Rob Rackstraw Kwazii (voice) Kwazii (voice) See fewer	Harry Potter and the Deathly Hallows: Part I (2010)
Keith Wickham Professor Inkling (UK & US) / Shellington (UK & US) (voice) Professor Inkling (UK & US) / Shellington (UK & US) (voice) See fewer	Privateer 2: The Darkening (1996)
Jo Wyatt Tweak (voice) Tweak (voice) See fewer	The Witcher 3: Wild Hunt (2015)
Paul Panting Peso (voice) Peso (voice) See fewer	EastEnders (1985)
Steve Blum Supporting Cast (US) (voice) Supporting Cast (US) (voice) See fewer	Star Wars: Rebels (2014)