Marshall Thompson

Dr. Cliff Mitchell

John Loder

Major Anderson

Henry Oscar

John Manning

John Stuart

Dr. Warren

Anne Aubrey

Jill Warren

Magda Miller

Ruth

Murray Kash

Waldo

Michael Mellinger

Tony Norwood

Robert MacKenzie

Dale

Tom Bowman

Charles

Peter Elliott

Syms

Bernard Archard

Inspector

Shirley Thieman

Shiela

Richard Gordon

Executive Producer

Peter Mayhew

Editor

Douglas Hermes

Production Manager

George Frost

Makeup Artist

Doris Pollard

Hair Setup

Ronald Kinnoch

Director

Ronald Kinnoch

Producer

Albert Elms

Music

Brian Clemens

Screenplay

John Winbolt

Camera Operator

William Constable

Set Designer

Ernest Day

Camera Operator

Ronald Kinnoch

Screenplay