Harold Pelham

Roger Moore

Acting

Tony Alexander

Anton Rodgers

Acting

Julia Anderson

Olga Georges-Picot

Acting

Dr. Harris

Freddie Jones

Acting

James Pelham

Hugh Mackenzie

Acting

Luigi

Kevork Malikyan

Acting

Frank Bellamy

Thorley Walters

Acting

Miss Bird

Ruth Trouncer

Acting

Eve Pelham

Hildegard Neil

Acting

Sir Charles Freeman

John Welsh

Acting

Barton

Edward Chapman

Acting

Mason

Laurence Hardy

Acting

Jameson

Charles Lloyd Pack

Acting

Morrison

Gerald Sim

Acting

Research Scientist

Aubrey Richards

Acting

Sir Arthur Richardson

Anthony Nicholls

Acting

Ashton

John Carson

Acting

Barber

John Dawson

Acting

Michael

Alastair Mackenzie

Acting

Taxi Driver (uncredited)

James Payne

Acting