Quinn was walking home from a store near his home on Rambla Vista with his son Max when he collapsed, according to Los Angeles County sheriff's.
The cause has not been determined, but Quinn was believed to have died of a heart attack.
Quinn had followed his father's steps into the film industry and was known for his roles in the movie "Platoon," and TV shows like "The Shield" and "24."
He was also a regular on the TV soap opera "The Young And The Restless."
He is survived by his wife, Valentina Castellini-Quinn, and three children.