"Cantinflas and three friends return a stolen necklace to an actress who invites them to be extras at Clasa studios. While on the set, he falls asleep and dreams that he is d'Artagnan, fighting on behalf of Queen Anne."
Cantinflas
as Cantinflas / D'Artagnan (as Mario Moreno 'Cantinflas')
Ángel Garasa
as Ricardo / Cardenal Richelieu
Janet Alcoriza
as Mimí / Milady (as Raquel Rojas)
Consuelo Frank
as Reina / Ana de Austria
Pituka de Foronda
as Constancia / Sra. Bonacieux
Andrés Soler
as Athos
Julio Villarreal
as Rey Luis XIII
Jorge Reyes
as Julio / Duque de Buckingham
José Elías Moreno
as Portos
Rafael Icardo
as Comisario / Sr. de Treville
Estanislao Schillinsky
as Aramis (as E. Schillinsky)
Antonio Bravo
as Rocha / Rochefort
María Calvo
as Estefania, doncella
Salvador Quiroz
as Tabernero
Alfonso Bedoya
as Gorila en cabaret
José Arjona
as (uncredited)
Miguel Inclán
Raúl Guerrero
Ricardo Montalban
José Arratia
as Antonio Bonacieux (uncredited)
Alfonso Carti
as Policía (uncredited)
Roberto Cañedo
as Joven en la cola (uncredited)
Manuel Dondé
as Capitán (uncredited)
Pedro Elviro
as Mesero / posadero (uncredited)
Edmundo Espino
as Padre de D'Artagnan (uncredited)
Ana María Hernández
as Dama de la corte (uncredited)
Rubén Márquez
as Hombre bailando en cabaret (uncredited)
Ignacio Peón
as Sirviente del rey (uncredited)
Humberto Rodríguez
as Sacerdote (uncredited)
Miguel M. Delgado
Director
Manuel Fontanals
Production Design
Jacques Gelman
Producer
Santiago Reachi
Manuel Esperón
Original Music Composer
Jaime Salvador
Writer
Emilio Gómez Muriel
Editor
Alexandre Dumas
Novel
Gabriel Figueroa
Director of Photography
Anton Dolin
Choreographer