Tiffani Thiessen, Bill Walton, Bonnie Raitt

Late Show with David Letterman – Season 9

Dave mentions Paul's appearance on tonight's episode of Ed, and shortly afterwards Paul wears the fake mustache he had to wear for the role; Alan and the Barbara Stanwyck look-alike perform another scene from Double Indemnity; Bonnie Raitt sings "I Can't Help You Now."