Tenor Mario Monti is searching for his wife Bianca's daughter, who is believed to be dead. Before Mario, Bianca was married to Carlo Scarpia, Mario's patron. When Carlo discovered that his wife and Mario were having an affair, he left them both and, as he was leaving, told Bianca that their daughter Mary had died. In reality, she grew up without knowing her real parents. Mario tracks Mary down in Munich, where she works as a ballerina at the State Opera.

Beniamino Gigli
Mario Monti

Isa Miranda
Mary Hofer & Bianca Monti

Hubert von Meyerinck
Dr.Hofreuter - Rechtsanwalt

Josef Sieber
Carlo Scarpa

Gustav Waldau
Griesebach

Joe Stöckel
Penzinger

Annie Markart
Nina

Liesl Karlstadt
Eric Helgar
Kurt Hellwig - ein Tenor
Maria Cornelius
Singer: Opernteil
Ludwig Weber
Singer: Opernteil
Hildegarde Ranczak
Singer: Opernteil
Elise Aulinger
Ursula Deinert

Annemarie Steinsieck