Vera Fusek
President of Earth
Michael Hawkins
General Williams
Peter Birrel
Draconian Prince
Lawrence Davidson
Draconian First Secretary (uncredited)
Timothy Craven
Cell guard (uncredited)
Roy Pattison
Draconian space pilot
Harold Goldblatt
Professor Dale
Dennis Bowen
Prison Governor
Bill Wilde
Draconian captain
John Woodnutt
Draconian Emperor
Ian Frost
Draconian messenger
Clifford Elkin
Earth cruiser captain
Stephen Thorne
First Ogron
Michael Kilgarriff
Second Ogron
Ramsay Williams
Congressman Brook
Michael Wisher
Dalek (voice)
Laurence Harrington
Lunar guard
