Susan

Jane Asher

Michael "Mike"

John Moulder-Brown

Swimming instructor

Karl Michael Vogler

Fiance

Christopher Sandford

Bathhouse Female Client #1

Diana Dors

Prostitute

Louise Martini

Bathhouse Cashier

Erica Beer

Kathy

Anita Lochner

Red Hat Girl

Cheryl Hall

Nightclub Receptionist

Anne-Marie Kuster

Bathhouse Manager

Karl Ludwig Lindt

Mike's Mother (uncredited)

Erika Wackernagel

White Coat Girl

Christine Paul-Podlasky

Old Police Officer (uncredited)

Peter Martin Urtel

Bathhouse Boiler Room Manager

Dieter Eppler

Hot Dog Girl

Christina Paul

Cinema Manager

Eduard Linkers

Young Police Officer

Will Danin

Mike's Friend

Gerald Rowland

Street Food Cart Manager

Burt Kwouk

Mike's Father (uncredited)

Uli Steigberg

Bathhouse Female Client #2 (uncredited)

Ursula Mellin

Erotic Show Announcer (uncredited)

Jon Laurimore

Tube Passenger With Newspaper (uncredited)

Jerzy Skolimowski

Sex Film Actress (uncredited)

Ursula Holstein

Sex Film Actress (uncredited)

Flavia Keyt