Stella Stevens
Karen
Roddy McDowall
Robert
Elsa Lanchester
Hester
Shani Wallis
Lady Jocelyn Dwellyn
Farley Granger
Evan Lyons
Victor Buono
Minister
John McGiver
Governor
Bernard Fox
Constable Hooke
Patric Knowles
Douglas Whitehead
Jamie Farr
Dybbi
Ben Wright
Jonesy
Steven Marlo
1st Dart Player
Murray Matheson
Lord Arnold Dwellyn (voice / uncredited)
Norman Stuart
Lord Arnold Dwellyn
Wanda Bailey
Flo
Leslie Thompson
2nd Dart Player