After the death of her abusive father, lonely librarian Martha finds herself caught up in a strange, sadomasochistic relationship with a monstrous husband whom she begins to suspect may be trying to murder her.
Martha
Margit Carstensen
Helmut
Karlheinz Böhm
Marianne
Barbara Valentin
Kaiser
Peter Chatel
Mother Heyer
Gisela Fackeldey
Father Heyer
Adrian Hoven
Erna
Ortrud Beginnen
Meister
Wolfgang Schenck
Dr. Salomon
Günter Lamprecht
Hotel Guest
El Hedi ben Salem
Porter
Rudolf Lenz
Secretary
Kurt Raab
Waitress
Elma Karlowa
Nurse
Heide Simon
Lilo Pempeit
Ilse
Ingrid Caven
Restaurant Patron (uncredited)
Michael Ballhaus
Taxi Driver (uncredited)
Peter Berling
Telephone Man (uncredited)
Rudolf Waldemar Brem
Marianne's Husband (uncredited)
Karl Scheydt
Dr. Hauff (uncredited)
Herbert Steinmetz