Cantinflas
Rosita
Don Sebastian, el profe
Elpidio
Raúl
Dr. Perfecto Lozano
La vecina bailarina
Doña Cuca, vecina
Profesor examinador
Don Fortino
Amigo de Raúl en fiesta (uncredited)
Masajista (uncredited)
Hombre en velorio (uncredited)
Miembra del patronato (uncredited)
Miembro del patronato (uncredited)
Estudiante inteligente (uncredited)
Estudiante (uncredited)
Vecina chismosa (uncredited)
