Cast
Carlos Martínez Baena
Profesor Archimedes Monteagudo
José Pidal
Doctor Inocencio Violante
Julián de Meriche
Italiano en directivo petroleo (uncredited)
Miguel Manzano
Reportero (uncredited)
Rafael Icardo
Agustín Montes
Luis Manuel Pelayo
Reportero (uncredited)
Enrique García Álvarez
Señor director (uncredited)
Cantinflas
Cantinflas
Alfredo Varela
Pepe Montes
Felipe Montoya
Señor Humberto Moya
José Ortiz de Zárate
Juez
Humberto Rodríguez
Velador (uncredited)
Aurora Walker
Angélica Montes
Francisco Jambrina
Fiscal
Julio Ahuet
Detective (uncredited)
Manuel Noriega
Profesor (uncredited)
Alejandro Cobo
Octavio
Eduardo Casado
Presidente de directorio petroleo
Jorge Treviño
El Rosca
Pedro Elviro
Empleado corte (uncredited)
Kika Meyer
Espectadora corte (uncredited)
José Muñoz
Plomero (uncredited)
Perla Aguiar
Marisa Miranda
Francisco Reiguera
Profesor Peralta (uncredited)