Christopher talks about it being his first ever late night interview, coming on our #KimmelinBrooklyn show with Michael J. Fox for a Back to the Future reunion, playing Reverend Jim on 'Taxi,' the classic scene where he takes a drivers tests, auditioning in the same outfit his character ended up wearing on the show, having cast parties on Friday nights with other actors on the lot, and playing Professor Orloff on 'Wednesday.' Watch 'Jimmy Kimmel Live!' WEEKNIGHTS 11:35/10:35c on ABC. Stream on Hulu.