Scientist Martin Fellmann is tormented by an irrational fear of knives and the irresistible compulsion to murder his wife. Driven to the brink of madness by fantastic nightmares, he encounters a psychoanalyst who offers to treat the perplexing malady.
(uncredited)
Pavel Pavlov
Dr. Orth (as Pawel Pawloff)

Hertha von Walther
Fellmans Assistentin

Renate Brausewetter
Dienstmaedchen