Film/Video REGIS DIALOGUE: GUY MADDIN AND ELVIS MITCHELL FRIDAY, FEBRUARY 6, 2004, 8 PM $12 ($8 WALKER MEMBERS) AUDITORIUM   Guy Maddin talks onstage with Elvis Mitchell, film critic for the New York Times. Their dialogue explores Maddin's life work, his sense of humor, and his love for the history of cinema. PAGES FROM A FILMMAKER'S DIARY: A FILM RETROSPECTIVE AND REGIS DIALOGUE WITH GUY MADDIN IS MADE POSSIBLE BY GENEROUS SUPPORT FROM THE REGIS FOUNDATION. SPECIAL THANKS TO IFC FILMS FOR THE PRINT OF THE SADDEST MUSIC IN THE WORLD.