Being a good guy isn't always painless but it is pretty fun for Jack Quaid, who gets a star vehicle with his new action comedy "Novocaine."

Actor Jack Quaid stars as a man who can't feel pain in " Novocaine ," a new action film that opens in theaters Friday. Quaid, known for his role as Hughie in the hit series "The Boys," plays Nathan Cain, a character with a real but rare medical condition that prevents him from feeling pain.