Complex sentence: Gerardo de León, ONA (September 12,1913--July 25,1981) was a Filipino actor turned film director, who made his acting debut in the 1934 film "Ang Dangal".
Split into simpler sentences: Gerardo de León, ONA (September 12,1913--July 25,1981), was a Filipino actor-turned-film director. He made his acting debut in the 1934 film "Ang Dangal".