Cantinflas

Character: Luis

Arturo de Córdova

Character: Nicolás Ramiro Diez

Rosita Quintana

Character: Virginia López

Elsa Aguirre

Character: Doctora Beatriz Durán

Ana Luisa Peluffo

Character: Marta Linares

Kitty de Hoyos

Character: Novia de Rodolfo

Raúl Macías

Character: Rodolfo Ramos

Armando Calvo

Character: Doctor Ricardo Lugo

Carlos Riquelme

Character: Doctor Alberto Varela

Alma Rosa Aguirre

Character: Mónica Saldivar

Virginia Manzano

Character: Carmen Sosa, jefe de enfermeras

Elmo Michel

Character: Michelli

Raúl Farell

Character: Rivas

Rubén Rojo

Character: Abel

Sonia Furió

Character: Sonia Lugo

Sergio Bustamante

Character: Ángel Martinelli / Soto

Carlos López Moctezuma

Character: Julián Rosales

Jorge Martínez de Hoyos

Character: Entrenador

Augusto Benedico

Character: Empresario

Arturo Martínez

Character: Detective de policía

Dolores Camarillo

Character: Mamá de Rodolfo

Consuelo Frank

Character: Mamá de Sonia

Miguel Suárez

Character: Papá de Sonia

Julio Sotelo

Character: Anunciador

Ignacio López Tarso

Character: (voice)

Óscar Pulido

Character: (uncredited)

Sara Cabrera

Character: Enfermera (uncredited)

José Chávez

Character: Detective de policía (uncredited)

Pancho Córdova

Character: Chofer cruz roja (uncredited)

Cecilia Leger

Character: Acompañante de novia de Rodolfo (uncredited)

Ignacio Peón

Character: Regueiro (uncredited)

Alfredo Varela

Character: Vendedor de flores (uncredited)