A man is sentenced to prison for a murder he did not commit. Thanks to a serum invented by his brother, he manages to become invisible and escape from prison in order to prove his innocence, while his brother works feverishly to find an antidote. Theatrically released in USA in Spanish language only; later English-dubbed version syndicated directly to television.
Arturo de Córdova
as Carlos
Ana Luisa Peluffo
as Beatriz Cifuentes
Augusto Benedico
as Luis
Raúl Meraz
as Flores
Néstor de Barbosa
as José Suárez
Jorge Mondragón
as Don Ramón Cifuentes
José Muñoz
as Night Watchman
Roberto G. Rivera
as Detective Médez
Héctor Gómez
as Detective
Emilio Garibay
as Detective
Enrique Díaz 'Indiano'
as Prison Doctor
José Chávez
as Prison Male Nurse
