Emrys Jones

Robert Matthews / John Barlow

Zena Marshall

Ann Farrington

John Horsley

Inspector Clements

Joan Hickson

Mrs. Fenton

Hector Ross

Canning

Roger Maxwell

Col. Hector Smythe

Marne Maitland

Heinz

Ian Fleming

Dr. Wilson

Frederick Piper

Thomas Pritchard

George Pastell

Ferrari

Lesley Deane

Mrs. Smythe

Victor Platt

Sergeant

John Gilling

Director

Lawrence Huntington

Screenplay

Monty Berman

Director of Photography

John Lanchbery

Music Director

Sidney Hayers

Editor

Ray Simm

Art Direction

Jack Hanbury

Production Manager

Eric Besche

Camera Operator

George Fowler

Assistant Director

Gladys Goldsmith

Continuity

Jill Carpenter

Makeup Artist

George Burgess

Sound Supervisor

Charles Poulton

Sound Recordist

Robert S. Baker

Producer

Monty Berman

Producer

Desmond Davis

Focus Puller

Kenilworth Film Productions