Cantinflas as Agente 777

Roberto Soto as Comandante Bravo

Gilberto González as El Piquete

Elisa Quintanilla as Rosario

Miguel Manzano as Jefe bomberos

Pascual García Peña as El chueco

Ernesto Finance as Licenciado / notario

Jorge Mondragón as Silverio

Eduardo Alcaraz as Sargento Policía

Ángel Infante as Policia

Daniel Arroyo as Hombre entre multitud (uncredited)

José Chávez as Policía (uncredited)

Enrique del Castillo as Policía (uncredited)

Pedro Elviro as Secretario (uncredited)

Rogelio Fernández as Esbirro del piquete (uncredited)

Lidia Franco as Doña Guadalupe (uncredited)

Conchita Gentil Arcos as Vecina (uncredited)

María Gentil Arcos as Doña Cleofas (uncredited)

Margarito Luna as Esbirro del piquete (uncredited)

Álvaro Matute as Jugador de cartas (uncredited)

Ignacio Peón as Juez (uncredited)

Salvador Quiroz as Comandante Cienfuegos (uncredited)

Carlos Valadez as El Cortado (uncredited)

Enrique Carrillo as Bombero (uncredited)

Maria Luisa Cortés as La tosferina (uncredited)

Carmen Manzano as Mamá de Rosario (uncredited)

Kika Meyer as La soplona (uncredited)

Bruno Márquez as Policía (uncredited)

Luz María Núñez as Mujer baila cantina (uncredited)