Terry-Thomas
Archibald Bannister
Sonja Ziemann
Michele Cooper
Alex Nicol
Edward Kennedy
Richard Briers
Jamieson
Honor Blackman
Sister Sheila Bryan
Guy Deghy
Nick Ivanovitch
Carol White
Beryl
Clive Morton
Hatfield
Geoffrey Keen
Foster
Martin Benson
Rahman
Eduard Linkers
Linkers
Vincent Ball
Dr. Blake
Michael Ripper
Yacht Skipper
Cyril Wheeler
Stephen Cooper
Andrew Faulds
Ralph
George Cormack
Henry
Bruce Beeby
Capt. Brook
Julie Alexander
Stewardess
Meekah
The Chimp
Barbara Hicks
Margery (uncredited)
Jacqueline Jones
Miss Forsythe (uncredited)
Hyma Beckley
Party Guest (uncredited)
Roland Brand
US Sergeant (uncredited)
Claire Collins
Blonde Girl (uncredited)
Victor Harrington
Airline Passenger (uncredited)
Chulam Mohammed
Attaché (uncredited)
Gwenda Ewen
(uncredited)
Pat Roberts
(uncredited)
Crew
Don Chaffey
Director
Elliot Scott
Art Direction
Denis Johnson
Production Manager
Paul Dickinson
Writer
Patricia Lee
Adaptation
Milton Holmes
Screenplay
Harold Buchman
Screenplay
Milton Holmes
Producer
Walter Shenson
Producer
Edwin Astley
Original Music Composer
Erwin Hillier
Director of Photography
Frank Clarke
Editor
Irene Howard
Casting
Anthony Mendleson
Costume Design
Tony Sforzini
Makeup Artist
Dennis Bertera
Assistant Director
Norman Coggs
Sound Recordist
J.B. Smith
Sound Recordist
A.W. Watkins
Recording Supervision
Tom Howard
Special Effects
Harold Haysom
Second Unit Director of Photography
Tony White
Camera Operator
Eileen Sullivan
Wardrobe Supervisor
Edwin Astley
Conductor
Phyllis Crocker
Continuity