Louis Hayward
Simon Templar
Naomi Chance
Carol Denby
Sydney Tafler
Max Lennar
Charles Victor
Chief Insp. Claud Teal
Jane Carr
Kate Finch
Harold Lang
Jarvis
William Russell
Keith Merton
Diana Dors
The Blonde in Lennar's Apartment
Fred Johnson
Irish Cassidy
Thomas Gallagher
Hoppy Uniatz
Russell Napier
Col. Stafford
Sam Kydd
Barkley
John Wynn
Man
George Margo
Lennar's Henchman
Ian Fleming
Lord Merton
Ernest Blyth
Party Guest (uncredited)
Erik Chitty
Older gang member (uncredited)
Jack Mandeville
Party Guest (uncredited)
Bunny Seaman
Gambler (uncredited)
Ian Selby
Gambler (uncredited)
John Smart
Merton Party Guest (uncredited)
Harry Van Engel
Safari Club patron (uncredited)
Ian Wilson
Man Waiting for Telephone Booth (uncredited)
Seymour Friedman
Director
Leslie Charteris
Story
Allan MacKinnon
Screenplay
Anthony Hinds
Producer
Julian Lesser
Producer
Ivor Slaney
Original Music Composer
James Needs
Editor
J. Elder Wills
Art Direction
Bill Salter
Sound Recordist
Len Harris
Camera Operator
John 'Pinky' Green
Production Manager
Nina Broe
Hairstylist
Philip Leakey
Makeup Artist
Jimmy Sangster
Assistant Director
Percy Britten
Boom Operator
Tom Friswell
Clapper Loader
Harry Oakes
Focus Puller
Renée Glynne
Continuity
Patrick Jenkins
Dialogue
Walter J. Harvey
Director of Photography