American actor Al Molinaro, who starred as "Big Al" Delvecchio in sitcom Happy Days, has died at the age of 96. He appeared as the owner of Arnold's Drive-in, where the main characters would gather, from 1976 until 1982. Molinaro, who also spent five years playing Murray the cop in the TV version of The Odd Couple, retired from acting in the 1990s. He died in a California hospital of complications from a gallstone infection, his son Michael said. Molinaro had taken over the role of Al two years into the series' run and starred in more than 100 episodes.