Clive Endersby
— Mark Annuncio
John Meillon
— Dr. Sheffield
Bill Nagy
— Capt. Follenbee
David Knight
— Cinam
Burt Kwouk
— Novee
Roger Croucher
— Fawkes
Tenniel Evans
— Rodriguez
David Sumner
— Vernadsky
Peter Diamond
— First Crewman
John McArdle
— Second Crewman
Keith Peacock
— Crewman
Tim Condren
— Crewman