Ralph Thomas

Department: Directing
Job: Director

Peter Rogers

Department: Production
Job: Producer

Peter Eton

Department: Production
Job: Producer

Eric Rogers

Department: Sound
Job: Original Music Composer

Terence Feely

Department: Writing
Job: Screenplay

John Wyndham

Department: Writing
Job: Short Story

Ernest Steward

Department: Camera
Job: Director of Photography

Joan Collins

Ottilie/Tracy Fletcher

Tom Bell

Colin Trafford

Denholm Elliott

Tom Lewis

Laurence Naismi

Sir Henry Lanstein

Geraldine Gardn

Sylvia

Geraldine Moffa

Stella

David Weston

Johnny Prescott

Dudley Foster

Grimshaw

Juliet Harmer

Geraldine Lambert

Ray McAnally

Jack Kahn

Lyn Ashley

Jennifer

Neil McCallum

Jimmy

Angus MacKay

Dr. Rankin

Bernard Horsfal

Telford

Edward Cast

Jenkins

Sam Kydd

Taximan

Philip Stone

Mason

John Hallam

Jonathan Keene

Drewe Henley

Man

Alex Scott

Simon Ward

Jeremy

Joan Benham

Helpful Neighbour (uncredited)

Johnny Briggs

Club Barman (uncredited)

Jeremy Child

Dougie Raynes (uncredited)

Ellis Dale

Head Teacher at School for Handicapped (uncredited)

Peter Davies

Party Guest (uncredited)

Harold Goodwin

Concierge (uncredited)

Basil Henson

Doctor (uncredited)

Andrew Sachs

TV Announcer (uncredited)

Ian Selby

Gentlemans Club Member (uncredited)

Michael Sharvel

Says "Hello Trafford" (uncredited)

Guy Standeven

Man in Lift at IPI Building (uncredited)

Fred Wood

Unhelpful Neighbour (uncredited)