Cantinflas as Cantinflas

Perla Aguiar as Marisa Miranda

Carlos Martínez Baena as Profesor Archimedes Monteagudo

Alejandro Cobo as Octavio

Aurora Walker as Angélica Montes

Alfredo Varela as Pepe Montes

José Pidal as Doctor Inocencio Violante

Eduardo Casado as Presidente de directorio petroleo

Francisco Jambrina as Fiscal

Pepe Martínez as Lic. Remigio Paredes

Felipe Montoya as Señor Humberto Moya

Rafael Icardo as Agustín Montes

Carmen Novelty as Hija de Angélica Montes

Armando Arriola as Ayudante de el Rosca

Jorge Treviño as El Rosca

José Ortiz de Zárate as Juez

Julio Ahuet as Detective (uncredited)

Julio Daneri as Miembro directivo petroleo (uncredited)

Héctor Mateos as Miembro directivo petroleo (uncredited)

Julián de Meriche as Italiano en directivo petroleo (uncredited)

Lupe del Castillo as Portera (uncredited)

Pedro Elviro as Empleado corte (uncredited)

Edmundo Espino as Doctor (uncredited)

Enrique García Álvarez as Señor director (uncredited)

Leonor Gómez as Mujer en turba (uncredited)

Miguel Manzano as Reportero (uncredited)

Luis Manuel Pelayo as Reportero (uncredited)

Paco Martínez as Profesor (uncredited)

Manuel Noriega as Profesor (uncredited)

Francisco Reiguera as Profesor Peralta (uncredited)

Kika Meyer as Espectadora corte (uncredited)

José Muñoz as Plomero (uncredited)

Roberto Y. Palacios as Plomero (uncredited)

José Pardavé as Fotógrafo (uncredited)

Ignacio Peón as Miembro jurado (uncredited)

Humberto Rodríguez as Velador (uncredited)