Thomas Griffin Dunne (; born June 8, 1955) is an American actor, director, and producer. Known for his performances on film and television, he has received nominations for an Academy Award, Golden Globe Award, and Primetime Emmy Award. Dunne is the oldest child of journalist Dominick Dunne and activist Ellen Beatriz and studied acting at the Neighborhood Playhouse School of the Theatre. He made his film-acting debut in The Other Side of the Mountain (1975). He portrayed Jack Goodman in the John…