Considered one of the greatest filmmakers of all time, Orson Welles was born 100 years ago this year. To mark the occasion, the Cleveland Institute of Art Cinematheque screens Magician: The Astonishing Life and Work of Orson Welles, a documentary about the writer/director/actor. The film includes interviews with heavyweight filmmakers such as Martin Scorcese, Richard Linklater and Peter Bogdanovich. It shows at 7:15 tonight and at 8:30 p.m. tomorrow. Tickets are $9. (Niesel)