Career Born in Spain, Muiño moved to Buenos Aires and began a career in film. He died in Buenos Aires, Argentina, aged 74.
Achievements He made over 20 film appearances in Argentina and the United States playing lead roles in films such as the 1954 film, The Grandfather with Mecha Ortiz, and Su mejor alumno (1944) for which he won the Silver Condor Award for Best Actor at the 1945 Argentine Film Critics Association Awards.