Matthew Paige Damon was born on October 8, 1970 (age 51 years), in Cambridge, Massachusetts, United States.
Matt Damon is an American actor, film producer, and screenwriter. He is ranked among Forbes’ most bankable stars, and the films in which he has appeared have collectively earned over $3.88 billion at the North American box office, making him one of the highest-grossing actors of all time.
Damon began his acting career by appearing in high school theater productions. He made his professional acting debut in the film Mystic Pizza (1988).
Matt Damon siblings: Kyle Damon, Sarah Bradford
Matt Damon has two known siblings, Kyle Damon iⁿs his elder brother from the same parents. Kyle was born in 1967, he is a painter and a sculptor.
Sarah Bradford is the step-sister of Matt Damon. Her mother Celeste married Matt’s father. Sarah is a model and an upcoming actress.
Matt Damon’s parents Kent Damon and Nancy Carlsson-Paige divorced when he was around two years old, so Matt Damon and his brother moved in with their mother.
Source: celebfaqs.com