Reparto

• Beniamino Gigli — Ettore Vanni
• Maria Cebotari — Fiamma Vanni (his wife)
• Hans Moser — Giulio Stückelmeier
• Michael Bohnen — Cesare Doret
• Hilde Hildebrand — Ricarda Doret (his wife)
• Alfred Gerasch — Director
• Josef Dahmen — Stage manager
• Werner Pledath — Doctor
• Hilde Maroff — Nurse
• Herbert Gernot — Lawyer
• Philipp Lothar Mayring — cast
• Rio Nobile — Chauffeur
• Max Paetz — Garderobier

Arte

• Ernst Richter — production design
• Heinrich Richter — production design
• Gabriel Pellon — production design
• Giorgio Pinzauti — art direction

Vestuario y maquillaje

• Paul Dannenberg — makeup artist
• Maria Jamitzky — makeup artist

Producción

• Max G. Hüske — production manager
• Ferruccio Biancini — co-producer
• Alberto Giacalone — executive producer
• Max Paetz — unit manager

Dirección

• Ernesto Remani — assistant director
• Carmine Gallone — director

Guion

• Bernd Hoffmann — screenplay
• Bernd Hoffmann — story
• Leonhard Fürst — novel
• Ernst Günter Techow — novel
• Philipp Lothar Mayring — novel
• Thea von Harbou — story
• Thea von Harbou — screenplay
• Aldo De Benedetti — adaptation
• Iwa Raffay — novel

Montaje

• Oswald Hafenrichter — editor
• Giorgio Simonelli — editor

Sonido

• Cesare A. Bixio — original music composer
• Alois Melichar — original music composer

Cámara

• Massimo Terzano — director of photography
• Georg Bruckbauer — director of photography