21 Insane Photos from Crispin Glover's Iconic 1987 Guest Spot on 'Late Night with David Letterman'

In spite of his successful acting career in films like Back to the Future and Charlie's Angels, Crispin Glover is best known for his infamous appearance on Late Night with David Letterman in 1987. During the interview, Glover wore a bizarre wig and platform heels, and engaged in erratic behavior that culminated in a near-kick to Letterman's head. The incident left viewers puzzled and sparked speculation about the actor's motives. Despite Glover's refusal to confirm or deny his appearance on the show, the 21 stills from the interview speak volumes about the bizarre and unforgettable moment in late-night television history.