A gang of thieves has jeopardized the city and even the police, whose chief urges their forces to captured the band within 48 hours. Meanwhile, band members meet in a cafe run by a widow and her daughter and her suitor, Cantinflas, who maintains a scuffle with the robbers running all at the station. Since then, Cantinflas become a member of the police force for special missions.

Agente 777

La criollita

Comandante Bravo

Amparo

Jefe de policía

Sargento

Matias Luis Riquelme

Bermúdez

Empleado hotel

Doña Joaquinita

Cabaretera

Esposa de enfermo

Greñas (uncredited)

Niño (uncredited)

Extra (uncredited)

Profesor Melo (uncredited)
October 22, 1941

Agente 777

La criollita

Comandante Bravo

Amparo

Jefe de policía

Sargento

Matias Luis Riquelme

Bermúdez

Empleado hotel

Doña Joaquinita

Cabaretera

Esposa de enfermo

Greñas (uncredited)

Niño (uncredited)

Extra (uncredited)

Profesor Melo (uncredited)
