as The Doctor
as Astrid Peth
as Midshipman Alonso Frame
as Bannakaffalatta
as Mr. Copper
as Max Capricorn
as Captain Hardaker
as Rickston Slade
as Foon Van Hoff
as Morvin Van Hoff
as Chief Steward
as Wilfred Mott
as The Host
as Engineer
as Kitchen Hand
as Newsreader
as The Queen (voice)
as Ship's Officer (uncredited)