Carlos Martinez Baena was a character actor, who was born in Spain. At an early age he moved with his family to Mexico where he became a journalist. By 1920 he decided to become an actor while he was living in Argentina, and shortly afterward moved to Spain where he worked as a stage actor, eventually ppearing in films in Argentina, Spain and the U.S in Spanish language films made in the early and mid 1930s. In 1940 he returned to Mexico, escaping the fascist Franco goverment in Spain. The following year he began appearing in Mexican films in character parts, he was often cast as kindly old men, teachers, priests and appeared in many character parts. He was also very involved in the actor's union, during his career he also wrote and adapted sceenplays as well as writing poetry. In 1970 he completed his last film at the age 80, also a character part.

Carlos Martínez Baena (Madrid, Espanya, 7 de maig de 1889 - Ciutat de Mèxic, Mèxic, 29 de maig de 1971) va ser un actor hispano-mexicà. De jove es va traslladar a Mèxic amb la seva família on es va fer periodista. Va aparèixer en més de setanta pel·lícules entre 1931 i 1970.