Catherine O'Hara. Actress: A Mighty Wind. Canadian actress, writer, and comedian, Catherine O'Hara gained recognition as one of the original cast members on the Canadian television sketch comedy show SCTV (1976). On the series, she impersonated the likes of Lucille Ball, Tammy Faye Bakker, Gilda Radner, Katharine Hepburn, and Brooke Shields. O'Hara stayed with the show for its entirety (1976-1984). She went on to devote her talents to several films...