Casts

John Bentley

Superintendent Wills

Patrick Allen

Dr. Nelson Pollard

Jacqueline Ellis

Elsa Marlowe

Wilfrid Brambell

Lock-Keeper

John Glyn-Jones

Dr. Maurice Tarn

Jane Murdoch

Honeymoon Wife

Crews

Clive Donner

Director

Edgar Wallace

Novel

Bert Mason

Cinematography

Peter Mullins

Art Direction

Derek Holding

Editor

Robert Banks Stewart

Writer

Charles Blackwell

Original Music Composer

Jim O'Connolly

Associate Producer

Jack Greenwood

Producer