Casts
Mario Lanza
as Tonio Costa
Johanna von Koczian
as Christa
Zsa Zsa Gabor
as Gloria de Vadnuz
Kurt Kasznar
as Ladislas Tabory
Hans Söhnker
as Prof. Bruckner
Annie Rosar
as Mathilde
Peter Capell
as Intendant Huebner
Walter Rilla
as Dr. Bessart
Nico
as blonde girl
