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

James Payne

Taxi Driver (uncredited)

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