Cast

Tony Britton

Dr. Robert Marriott

Virginia Maskell

Dr. Lucy Byrne

Ian Bannen

Alan Andrews

Kenneth Griffith

Dr Shole

Peter Cushing

Professor Sewell

Thorley Walters

Special Agent Prince

Donald Pleasence

Parsons, alias Bill Brown

Spike Milligan

Arthur, lab orderly

Raymond Huntley

Sir George Gatting the Minister of Defense

Sam Kydd

Slater

Crew

Roy Boulting

Writer (Writing)

Image not Available

Nigel Balchin

Novel (Writing)

Roy Boulting

Director (Directing)

Image not Available

Nigel Balchin

Screenplay (Writing)

Image not Available

John Jympson

Editor (Editing)

Image not Available

Albert Witherick

Art Direction (Art)

Image not Available

Peter James

Set Decoration (Art)

John Boulting

Director (Directing)

Image not Available

Mutz Greenbaum

Director of Photography (Camera)

Image not Available

Laurie Ridley

Still Photographer (Camera)