Secrets of a Soul

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.

• Hans NeumannWriter
• Colin RossWriter
• G.W. PabstDirector
• Hanns SachsWriter
• Karl AbrahamWriter
• Giuseppe BecceOriginal Music Composer

• Werner KraussMartin Fellman
• Ruth WeyherSeine frau
• Ilka GrüningDie Mutter
• Jack TrevorErich
• Lili Damita(uncredited)
• Pavel PavlovDr. Orth (as Pawel Pawloff)
• Hertha von WaltherFellmans Assistentin
• Renate BrausewetterDienstmaedchen
• Colin RossKriminalkommissar