Bélgica Castro Sierra (6 March 1921 – 6 March 2020) was a Chilean actress. She appeared in over 100 plays, and on screen. Her movie credits include "Little White Dove" (1973), "Days in the Country" (2004), "The Good Life" (2008) and "Old Cats" (2011). In 1995, she was awarded the National Prize for Performing and Audiovisual Arts.