Simon Greenall. Simon Greenall was 65 in The Octonauts & the Great Summer Adventure as 'Barnacles (voice)'.Rob Rackstraw. Rob Rackstraw was 57 in The Octonauts & the Great Summer Adventure as 'Kwazii (voice)'.
Paul Panting. Paul Panting was >> in The Octonauts & the Great Summer Adventure as 'Peso (voice)'.
Keith Wickham. Keith Wickham was 58 in The Octonauts & the Great Summer Adventure as 'Prof. Inkling / Dr. Shellington (voice)'.
Jo Wyatt. Jo Wyatt was 52 in The Octonauts & the Great Summer Adventure as 'Tweak (voice)'.
Teresa Gallagher. Teresa Gallagher was 52 in The Octonauts & the Great Summer Adventure as 'Dashi (voice)'.Michael C. Murphy. Michael C. Murphy was >> in The Octonauts & the Great Summer Adventure as 'Tunip (voice)'.Ross Breen. Ross Breen was >> in The Octonauts & the Great Summer Adventure as 'Barnacles (singing voice)'.Darragh O'Connell. Darragh O'Connell was >> in The Octonauts & the Great Summer Adventure as 'Director'Carin Greenberg Baker. Carin Greenberg Baker was >> in The Octonauts & the Great Summer Adventure as 'Writer'Allan Neuwirth. Allan Neuwirth was >> in The Octonauts & the Great Summer Adventure as 'Writer'Gabe Pulliam. Gabe Pulliam was >> in The Octonauts & the Great Summer Adventure as 'Writer'Michael C. Murphy. Michael C. Murphy was >> in The Octonauts & the Great Summer Adventure as 'Creator'Vicki Wong. Vicki Wong was >> in The Octonauts & the Great Summer Adventure as 'Creator'