| Episode credited cast: |
 | David Gasman | - | Chris Colorado / Sam Colorado / Dr. Storm / Bert Jordan (voice) |
 | Paul Bandey | - | Chippowok / Commander Richard Julian / Senator Herb Forsyth III / Chief Atabaskan / Ricardo Duvall / Captain Del Santos / Governor Alexis Liebenov / Professor Anton / Governor Georges Albert Duron-Vermier (voice) |
 | Sharon Mann | - | Jennifer Julian / Lauren Krantz / Chippowok (Young) (voice) |
 | Jodi Forrest | - | Rebecca Wong / Chris Colorado (Young) (voice) (as Jodie Forrest) |
| Edward Marcus | - | Thanatos / Rear Admiral Jack Mitchell / Vladimir / William Erwin Krantz / Wanceslas (voice) |
| Rest of cast listed alphabetically: |
| Benoît Allemane | - | Admiral Jack Mitchell (voice) |
| Daniel Beretta | - | William Erwin Krantz (voice) |
| Marie-Martine Bisson | - | Loren Krantz (voice) |
 | Roger Carel | - | Professor Amton (voice) |
| Emmanuel Curtil | - | Christopher Krantz / Chris Colorado (voice) |
| Marie-Christine Darah | - | Rebecca Wong / Lili (voice) |
| Valérie de Vulpian | - | Victoria Krantz / Jennifer Julian (voice) |
| Sébastien Desjours | - | Vladimir Krantz (voice) |
| Thierry Desroses | - | Chippowak (voice) |
| Philippe Dumat | - | The Governor of Patania (voice) |
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