The Octonauts - Cast

The Octonauts (2010–2021)
TV-Y
TV Series | 11 min | Animation, Adventure, Comedy

The Octonauts (2010–2021)

TV-Y

TV Series | 11 min | Animation, Adventure, Comedy

An intrepid band of explorers roam the oceans in search of adventure and fun. Led by a valiant polar bear and a daredevil kitten, these eight talented critters are always ready to embark on an exciting new mission.

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Cast	+ Add Cast
16 cast members

Name	Episodes	Known for
Ross Breen Captain Barnacles / Captain Barnacles (UK & US) / Barnacles Captain Barnacles / Captain Barnacles (UK & US) / Barnacles See fewer	122	Lu & the Bally Bunch (2023)
Keith Wickham Shellington / Professor Inkling / Shellington (UK & US) / Professor Inkling (UK & US) / Chief Walrus (UK & US) / … See more Shellington / Professor Inkling / Shellington (UK & US) / Professor Inkling (UK & US) / Chief Walrus (UK & US) / Flying Fish (UK) / Male Orca (UK & US) / Urchin (UK & US) See fewer	122	Privateer 2: The Darkening (1996)
Simon Greenall Captain Barnacles / Captain Barnacles (UK & US) / Barnacles / Crab (UK & US) / Irving the Giant Squid (UK & US) / Lobster (UK) Captain Barnacles / Captain Barnacles (UK & US) / Barnacles / Crab (UK & US) / Irving the Giant Squid (UK & US) / Lobster (UK) See fewer	122	Alan Partridge (2013)
Jo Wyatt Tweak / Reef Lobster Mother Tweak / Reef Lobster Mother See fewer	122	The Witcher 3: Wild Hunt (2015)
Rob Rackstraw Kwazii / Crab / 1st Walrus / 2nd Walrus / Sea Snail Kwazii / Crab / 1st Walrus / 2nd Walrus / Sea Snail See fewer	122	Harry Potter and the Deathly Hallows: Part I (2010)
Teresa Gallagher Dashi / Dashi (UK) / Female Orca (UK & US) / Reef Lobster (UK & US) Dashi / Dashi (UK) / Female Orca (UK & US) / Reef Lobster (UK & US) See fewer	120	The Amazing World of Gumball (2011)
Paul Panting Peso Peso See fewer	120	EastEnders (1985)
Michael Murphy Vegimals / Vegimals (UK & US) / Tunip (UK & US) Vegimals / Vegimals (UK & US) / Tunip (UK & US) See fewer	120	Octonauts & the Great Barrier Reef (2020)
Mary Murphy Dashi / Dashi (US) / Dash Dashi / Dashi (US) / Dash See fewer	112	Man with a Gun (2016)
Shelley Longworth Additional Voices Additional Voices See fewer	90	Suffragette (2015)
Wayne Grayson Peso - US Version / Peso (US) / Peso Peso - US Version / Peso (US) / Peso See fewer	32	Teenage Mutant Ninja Turtles (2003)
Steve Blum Supporting Cast (US) Supporting Cast (US) See fewer	32	Star Wars: Rebels (2014)
William Vanderpuye Additional Voices Additional Voices See fewer	23	Flushed Away (2006)
Cam Clarke Actor Actor See fewer	23	Akira (1988)
Jaimie Kelton Tweak (US) Tweak (US) See fewer	8	Happy! (2017)
Gary Littman Additional Voices (US) / Additional Voices) (US) Additional Voices (US) / Additional Voices) (US) See fewer	8	The Blacklist (2013)