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.
Margit Carstensen
as Martha
Karlheinz Böhm
as Helmut
Barbara Valentin
as Marianne
Peter Chatel
as Kaiser
Gisela Fackeldey
as Mother Heyer
Adrian Hoven
as Father Heyer
Ortrud Beginnen
as Erna
Wolfgang Schenck
as Meister
Günter Lamprecht
as Dr. Salomon
El Hedi ben Salem
as Hotel Guest
Rudolf Lenz
as Porter
Kurt Raab
as Secretary