"Health officials from the World Health Organization link a smallpox outbreak in Europe to oil drilling in the Middle East."
Terry-Thomas
as Archibald Bannister
Sonja Ziemann
as Michele Cooper
Alex Nicol
as Edward Kennedy
Richard Briers
as Jamieson
Honor Blackman
as Sister Sheila Bryan
Guy Deghy
as Nick Ivanovitch
Carol White
as Beryl
Clive Morton
as Hatfield
Geoffrey Keen
as Foster
Martin Benson
as Rahman
Eduard Linkers
as Linkers
Vincent Ball
as Dr. Blake
Michael Ripper
as Yacht Skipper
Cyril Wheeler
as Stephen Cooper
Andrew Faulds
as Ralph
George Cormack
as Henry
Bruce Beeby
as Capt. Brook
Julie Alexander
as Stewardess
Meekah
as The Chimp
Barbara Hicks
as Margery (uncredited)
Jacqueline Jones
as Miss Forsythe (uncredited)
Hyma Beckley
as Party Guest (uncredited)
Roland Brand
as US Sergeant (uncredited)
Claire Collins
as Blonde Girl (uncredited)
Victor Harrington
as Airline Passenger (uncredited)
Chulam Mohammed
as Attaché (uncredited)
Gwenda Ewen
as (uncredited)
Pat Roberts
Don Chaffey
Director
Elliot Scott
Art Direction
Denis Johnson
Production Manager
Paul Dickinson
Writer
Patricia Lee
Adaptation
Milton Holmes
Screenplay
Harold Buchman
Producer
Walter Shenson
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
A.W. Watkins
Recording Supervision
Tom Howard
Special Effects
Harold Haysom
Second Unit Director of Photography
Tony White
Camera Operator
Eileen Sullivan
Wardrobe Supervisor
Conductor
Phyllis Crocker
Continuity