 | Kelly Sheridan als Merliah (voice) |
 | Kathleen Barr als Eris / Snouts (voice) |
 | Tabitha St. Germain als Zuma / Deanne (voice) |
 | Peter Mel als Surf Announcer (voice) |
 | Nakia Burrise als Fallon (voice) |
 | Maryke Hendrikse als Hadley (voice) |
 | Emma Pierson als Kayla (voice) |
 | Ciara Janson als Xylie (voice) |
 | Garry Chalk als Break (voice) |
 | Nicole Oliver als Calissa (voice) |
 | Alistair Abell als Remo / Pufferazzi (voice) |
 | Andrea Libman als Dee (voice) |
 | Shannon Chan-Kent als Deandra (voice) |
 | Alex Ferris als Dreamfish (voice) |
 | Ellen Kennedy als Lipstick Fish / Syrenka (voice) |
 | Scott McNeil als Syrenka's Pet Fish (voice) |
 | Melissa Lyons als Merliah (singing voice) |
| Elise Allen | Screenplay |
| Adam Wood | Director |
| Cherish Bryck | Production Manager |
| Paul Soeiro | Art Department Manager |
| Pamela Prostarr | Art Direction |
| Tiffany J. Shuttleworth | Producer |
| Anita Lee | Producer |
| BC Smith | Music |
| Ruth Handler | Characters |
| Kim Dent-Wilder | Executive Producer |
| Richard Dickson | Executive Producer |
| Rob Hudnut | Executive Producer |
| Kathy A. Rocchio | Co-Producer |
| Alexander Westerman | Digital Producer |
| Jordan Hemsley | Editor |
| Walter P. Martishius | Production Design |
| Kevin Chai | Art Department Manager |
| Cam Wagner | Foley |
| Shane Shemko | Foley |
| Elaine Stef | Foley |
| Dario DiSanto | Foley Editor |
| Winston Fan | Colorist |
| M. Elizabeth Hughes | Post Production Coordinator |
