James Tolkan, the character actor best known for playing authoritative figures in Back to the Future and Top Gun, has died at age 94 in Lake Placid.Tolkan served in the US Navy during the Korean War before spending decades in theater, including a role in the original Broadway production of Glengarry Glen Ross.The Michigan native is survived by his wife of fifty-four years, Parmelee Welles, after passing away peacefully at his home according to his longtime booking agent.