The Octonauts embark on an underwater adventure, navigating a set of challenging caves to help a small octopus friend return to the Caribbean Sea.
Simon Greenall
Captain Barnacles (Voice)
Paul Panting
Peso (Voice)
Jo Wyatt
Tweak (Voice)
Keith Wickham
Shellington/Inkling (Voice)
Michael C. Murphy
Turnip (Voice)
Teresa Gallagher
Dashi/Ryla (Voice)
Rob Rackstraw
Kwazii (Voice)
