Cast (in credits order)
| Marzena Godecki | ... | Neri | |
| David Hoflin | ... | Jason Bates | |
| Jeffrey Walker | ... | Brett Bates | |
| Liz Burch | ... | Dr. Dianne Bates | |
| Alex Pinder | ... | Dr. Winston Seth | |
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Tharini Mudaliar | ... | Shersheba |
| George Henare | ... | Malakat | |
| Brooke Anderson | ... | Cassandra 'Cass' Clayborn (as Brooke 'Mikey' Anderson) | |
| Damien Bodie | ... | Louis Danton | |
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Mark Neal | ... | Agent Jake Shelby |
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Brenda Monaghan | ... | Agent Elly Hauser |
| Paul Sonkkila | ... | Richter | |
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Gregory Ross | ... | Paul Bates |
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Nina Landis | ... | H.E.L.E.N. (voice) |
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Marie-Louise Walker | ... | Shalamorn |
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Belinda Davey | ... | Dr. Laviche |
Sound Department
| Ocean Girl | ... | re-recording mixer |
| Ralph Ortner | ... | re-recording mixer |
Camera and Electrical Department
| Phil Cross | ... | underwater director of photography |
| Kieran Doolan | ... | clapper loader |
| Cameron Dunn | ... | first assistant camera: second unit |
Additional Crew
| Andy McIntyre | ... | program finance and development (as Andy Mcintyre) |
