El Portero (as Mario Moreno 'Cantinflas')
Rosa María (Rosita)
Don Sebastian, el profe
Elpidio
La vecina bailarina
Raúl
Dr. Perfecto Lozano
Doña Cuca, vecina
Profesor examinador
Don Fortino (as Pitouto)
Amigo de Raúl en fiesta (uncredited)
El turco (uncredited)
Masajista (uncredited)
Hombre en velorio (uncredited)
Miembra del patronato (uncredited)
Estudiante inteligente (uncredited)
Clienta sirvienta del portero (uncredited)
Vecina chismosa (uncredited)
El tarzán, vecino pachuco (uncredited)
Felipe León Bravo, el diputado (uncredited)
John, amigo de Perfecto (uncredited)
Vecina (uncredited)
Esposo de Guadalupe (uncredited)
Doña Guadalupe (uncredited)
Vecino (uncredited)
Secretario (uncredited)
Estudiante (uncredited)
Miembro patronato (uncredited)
Lechero (uncredited)
Empleado carrera caballos (uncredited)
Empleado secretaria (uncredited)
Miembro patronato barbudo (uncredited)
Miembra patronato (uncredited)