Cantinflas
— Lopez 'Lopitos' / His Excellency the Ambassador of Los Cocos
Sonia Infante
— Lolita
Guillermo Zetina
— Lic. Don Tirso de la Pompa y Pompa, consejero
Tito Junco
— General León Balarraza, agregado militar
Miguel Manzano
— Don Serafín Templado, secretario
José Gálvez
— Camarada Osky Popovsky, primer ministro
Víctor Alcocer
— Almirante Neptuno Aguado, agregado naval
Maura Monti
— Camarada Tania
Eduardo Alcaraz
— Don Salustio Menchaca, embajador de Los Cocos
Fernando Wagner
— Representante de Salchichonia
Carlos Riquelme
— Presidente de la República de Pepeslavia
Quintín Bulnes
— Mayordomo Petrovsky
Eduardo MacGregor
— Camarada Vasily Vasilov, ministro de relaciones exteriores
Luis Manuel Pelayo
— Sr. Director
Fernando Mendoza
— Comisario
Antonio Medellin
— Embajador de Karamba
Alberto Galán
— Secretario general
Alberto Catalá
— Portero
Ricardo Adalid
— Portero de asamblea (uncredited)
Daniel Arroyo
— Espectador asamblea (uncredited)
Farnesio de Bernal
— Representante asamblea (uncredited)
Victorio Blanco
— Don Milos Popovich (uncredited)
Queta Carrasco
— Invitada a recepción (uncredited)
Velia Lupercio
— Invitada a recepción (uncredited)
Enrique García Álvarez
— Invitado a recepción (uncredited)
Manuel Trejo Morales
— Invitado a recepción (uncredited)
Manuel Zozaya
— Invitado a recepción (uncredited)
Jorge Casanova
— Secretario (uncredited)
Gerardo del Castillo
— Embajador de Tequesquite (uncredited)
Aarón Hernán
— Representanre de Bolognia (uncredited)