He once sang Frank Sinatra in his underwear (The Slums of Beverly Hills). He also once played Head Elf under Kris Kringle (The Santa Clause). Years later, he played an adult film director on the small screen (HBO’s The Deuce), and now, acclaimed actor David Krumholtz is back — but this time, he’s the lead character in a project. In fact, he’s the titular character in Lousy Carter, and don’t let the tight runtime fool you.