Wolf Ruvinskis as Carlos Márquez

Julio Alemán as Jaime Yáñez

Armando Silvestre as Mario Núñez

Rosita Arenas as Nora Walker

Roberto Ramírez Garza as Roberto

Guillermo Álvarez Bianchi as Guillermo Lezman

Rodolfo Landa as Inspector Lozano

Claudio Brook as Professor Walker

Jack Taylor as Professor Thomas (as Grek Martin)

Manuel Vergara 'Manver' as Tony

José Loza as Esbirro

Ángel Di Stefani as Wrestling Trainer

Federico Curiel as Music Maestro

Carlos León as Policeman