Cantinflas as Agente 777

Mapy Cortés as La criollita

Daniel Herrera as Comandante Bravo

Gloria Marín as Amparo

Julio Villarreal as Jefe de policía

Agustín Isunza as Sargento

Carlos López Moctezuma as Matias Luis Riquelme

Alfredo Varela as Bermúdez

Luis G. Barreiro as Empleado hotel

Consuelo Guerrero de Luna as Doña Joaquinita

Carolina Barret as Cabaretera

Amparo Arozamena as Esposa de enfermo

Estanislao Schillinsky as Gerente hotel

Alfonso Bedoya as Greñas (uncredited)

Narciso Busquets as Niño (uncredited)

Enrique Carrillo as Borracho en comisaria (uncredited)

Roberto Cañedo as Extra (uncredited)

Roberto Corell as Cliente Francés de hotel (uncredited)

Joaquín Coss as Profesor Melo (uncredited)

Fernando Curiel as Empleado hotel (uncredited)

Manuel Dondé as Amigo vagabundo (uncredited)

Pedro Elviro as Secuaz de Riquelme (uncredited)

Enrique García Álvarez as Señor Bustamante (uncredited)

Max Langler as Policía (uncredited)

Amanda del Llano as Chica restaurante de hotel (uncredited)

Rubén Márquez as Hombre bailando hotel (uncredited)

Humberto Rodríguez as Vendedor de plumas (uncredited)

Arturo Soto Rangel as Doctor (uncredited)

Manuel Sánchez Navarro as Mequiades de la Peña y Peña (uncredited)

María Valdealde as Mujer mayor en restaurante de hotel (uncredited)

Armando Velasco as Secuaz de Riquelme (uncredited)

Eduardo Arozamena as (uncredited)

Rafael Hernández as (uncredited)

Alfonso Jiménez as (uncredited)

Óscar Pulido as (uncredited)

Juan García as Chusma (uncredited)