 | Jessie T. Usher als Quinn (voice) |
 | J.K. Simmons als Claggart (voice) |
 | Matthew Rhys als Grimes (voice) |
 | Kristen Schaal als Beth (voice) |
 | Patrick Warburton als Geraldo (voice) |
 | Sharlto Copley als Switch (voice) |
 | Camille Mana als Jing (voice) |
 | John Kani als Brick (voice) |
 | Dolph Lundgren als Dolph (voice) |
 | Seal als Seal Seal (voice) |
 | Bumper Robinson als HMMF Animal Handler / Chum (voice) |
 | Julian Alexander Smith als Benji (voice) |
 | Rick Zieff als Crunch (voice) |
 | Richard Steven Horvitz als Snap (voice) |
 | Vivienne Rutherford als Sam (voice) |
 | Anjali Bhimani als Crabby Stabby / Seals / Sharks (voice) |
 | Jan Johns als Mayday / Geraldo's Watch / Seals / Sharks / Octopi (voice) |
 | Kate Micucci als Diving Dee (voice) |
 | Daran Norris als Roger / Radio DJ (voice) |
 | Matthew Mercer als Dave / Sharks (voice) |
 | Jenny Yokobori als Geraldo's Watch / Seals / Octopi (voice) |
 | Secunda Wood als Scarlet (voice) |
| Julia Anastasopoulos als Tour Guide (voice) |
| Greig Cameron als Harbor Seals / Seals / Sharks (voice) |
 | Rob van Vuuren als Harbor Seals (voice) |
| Louw Venter als Harbor Seals (voice) |
 | Tarryn Wyngaard als Harbor Seals (voice) |
 | Jody J. Abrahams als Guards (voice) |
| Zolani Mahola als Guards (voice) |
 | Bob Bergen als Seals / Octopi / Dolphin Sounds (voice) |
 | Jason E. Kelley als Seals (voice) |
 | Catherine Taber als Seals (voice) |
 | Rodger Bumpass als Sharks (voice) |
 | Bill Farmer als Seals (voice) |
| Neil Leachman als Seals / Sharks (voice) |
 | Brendan Murray als Seals / Sharks (voice) |
| Remy Edgerly als Seals (voice) |
 | Joe Ochman als Seals (voice) |
| Genevieve Flati als Seals (voice) |
 | Matthew Wood als Seals / Sharks (voice) |
| Kristina Mueller als Sharks (voice) |
 | Brent Mukai als Sharks (voice) |
 | Sarah Natochenny als Sharks (voice) |
 | Quinton Flynn als Sharks (voice) |
| Ryan Robinson als Sharks (voice) |
| Lindsay Sheppard als Sharks (voice) |
| Greig Cameron | Director |
| Brian Cleveland | Story |
| Greig Cameron | Screenplay |
| Jason Cleveland | Story |
| Wayne Thornley | Story |
| Kane Croudace | Co-Director |
| Edward Noeltner | Executive Producer |
| Brian Cleveland | Executive Producer |
| Jason Cleveland | Executive Producer |
| Nikki Wilton | Executive Producer |
| Ned Lott | Casting |
| Sarah-Jane Williams | Art Direction |
| Alex Bain | Art Direction |
| Armand Filmalter | Art Direction |
| Gabriele Gabba | Production Designer |
| Tim Argall | Animation Director |
| Andries Smit | Original Music Composer |
| Elben Schutte | Original Music Composer |
| Samantha Cutler | Lead Animator |
| Anthony Silverston | Producer |
| Stuart Forrest | Producer |
| Jean-Michel Koenig | Producer |
| James Middleton | Producer |
| Mike Buckland | Producer |
| Maijang Mpherwane | Executive Producer |
| Tshifhiwa Radzilani | Executive Producer |
| Kaya Kuhn | Co-Producer |
| Vanessa Ann Sinden | Development Producer |
| Ned Lott | Associate Producer |
| Aninka Jonck | Line Producer |
| Willem Samuel | Head of Story |
| Paul Ian Johnson | Additional Writing |
| Phil Lorin | Additional Writing |
| Anthony Silverston | Additional Writing |
| Rob van Vuuren | Story Developer |
| Lucy Heavens | Story Developer |
| Nic Smal | Story Developer |
| Simon Van Wyk | Story Developer |
| Daniel Snaddon | Story Developer |
| Sam Wilson | Story Developer |
| Malcolm Wope | Lead Character Designer |
| Lorraine Alvarez-Posen | Character Designer |
| Nadya Mira | Character Designer |
| Matt Torode | Character Designer |
| Rudolph Boonzaaier | Storyboard Artist |
| Kwabena Sarfo | Storyboard Artist |
| Kay Carmichael | Storyboard Artist |
| Mads Ellegård Skovbakke | Storyboard Artist |
| Jac Hamman | Storyboard Artist |
| Stephen Howard-Tripp | Storyboard Artist |
| Dawid Strauss | Storyboard Artist |
| Jason Paige | Theme Song Performance |
