James Handy, a veteran character actor whose five-decade career included more than 150 film and television credits spanning everything from “Jumanji” to “Top Gun: Maverick,” died Wednesday after he was fatally stabbed in Tarzana. He was 81. Though never a household name, Handy was one of Hollywood’s most familiar working actors, the kind of steady screen presence audiences recognized instantly across generations of movies and TV. Born in New York City, Handy began acting in the late 1970s and