On screen
Cast
18 credited performers
Robert Horton
John Smith
Sebastian Cabot
Max
Jill St. John
Mary Harper
Eleanor Summerfield
Mrs. Roberts
Lee Montague
Igor
Artwork unavailable
Douglas Sheldon
Alworthy
Robert Russell
Police Sergeant
Barbara Shelley
Danielle
Harvey Hall
Character not listed
Donald Morley
Dunning
Kenneth J. Warren
Diaman
Philip Madoc
Gar
Michael Segal
Character not listed
Timothy Bateson
Character not listed
Douglas Blackwell
Character not listed
Sonny Caldinez
Character not listed
Artwork unavailable
John Slavid
Character not listed
Artwork unavailable
Anthony Stamboulieh
Character not listed