- Kerrie Holland - Magellan Ensign
- Fay Wheeler - Station Radio
- Ewald 'Spuffy' Gartner - Scientist
- Roseanna Webb - Briefing Voiceover
- Kerry Rose - Ship Computer
- Mark Salter - Additional Voice
- Ras Ertan - Additional Voice
- Kate Ertan - Additional Voice
- Ian Chisholm - Captain John Rourke
- Francis Capra - Guy 'Ghost' Stone
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Rudolph Maté
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William Sackheim, Gil Dund
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