James Tolkan, known for his roles as authoritarian figures in the “Back to the Future” and “Top Gun” films, has died. He was 94. Tolkan died Thursday in Lake Placid, New York, where he lived, his booking agent, John Alcantar, said Saturday. A brief obituary published on the “Back to the Future” website said Tolkan died “peacefully,” but no cause of death was given. In “Back to the Future,” Tolkan portrayed the bow tie-wearing vice principal Gerald Strickland, who eyeballed students for trouble