Doug McClure
Greg Collinson
Acting
Peter Gilmore
Charles Aitken
Acting
Shane Rimmer
Captain Daniels
Acting
Lea Brodie
Delphine
Acting
Michael Gothard
Atmir
Acting
Hal Galili
Grogan
Acting
John Ratzenberger
Fenn
Acting
Derry Power
Jacko
Acting
Donald Bisset
Professor Aitken
Acting
Ashley Knight
Sandy
Acting
Robert Brown
Briggs
Acting
Cyd Charisse
Atsil
Acting
Daniel Massey
Atraxon
Acting
Barrie Holland
Atlantean (uncredited)
Acting