Roger Moore
Harold Pelham
Roger Moore
Harold Pelham
Anton Rodgers
Tony Alexander
Olga Georges-Picot
Julia Anderson
Freddie Jones
Dr. Harris
Hugh Mackenzie
James Pelham
Kevork Malikyan
Luigi
Thorley Walters
Frank Bellamy
Ruth Trouncer
Miss Bird
Hildegard Neil
Eve Pelham
John Welsh
Sir Charles Freeman
Edward Chapman
Barton
Laurence Hardy
Mason
Charles Lloyd Pack
Jameson
Gerald Sim
Morrison
Aubrey Richards
Research Scientist
Anthony Nicholls
Sir Arthur Richardson
John Carson
Ashton
John Dawson
Barber
Alastair Mackenzie
Michael
Basil Dearden
Director
Michael J. Lewis
Original Music Composer
Tony Spratling
Director of Photography
Basil Dearden
Screenplay
Basil Dearden
Executive Producer
Michael Relph
Producer
Michael Relph
Screenplay
G. B. Walker
Casting
Albert Witherick
Art Direction
Bryan Forbes
Producer
Teddy Darvas
Editor
Jack Rix
Associate Producer
John Webber
Makeup Artist
George Blackler
Makeup Artist
Barbara Ritchie
Hairdresser
Anthony Armstrong
Novel
Beatrice Dawson
Costume Designer