Mario marries Blanca, the queen of operetta, but after their daughter is born, they separate and she leaves on a world tour to continue her artistic career. Meanwhile, he stays behind and waits with the baby until they reunite again.

Fernando Soler
Don Pedro Rufo

Sofía Álvarez
Blanca de la Fuente

Joaquín Pardavé
Don Margarito Pimentel

Luis Aldás
Mario Montes

Dolores Camarillo
Nana Felisa

Manuel Noriega
Don Luis de la Fuente

Enrique García Álvarez
Padre de Mario
Ramiro Gómez Kemp
Tenor
Griselda Short
Blanquita niña
Pastor Torres
Director de orquesta
Daniel Arroyo
Invitado fiesta (uncredited)
Francisco Beal
Invitado fiesta (uncredited)
Carmen Cabrera
Invitada fiesta (uncredited)

María Calvo
Nana de Blanquita (uncredited)
Gustavo Carrillo
Espectador teatro (uncredited)