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Catherine Shirriff is a Canadian actress. Shirriff was born in Toronto, Ontario, Canada. Her notable roles include the horror comedy Vampira (1974), Bob Fosse's film All That Jazz (1979), as the Klingon Valkris in Star Trek III: The Search for Spock (1984), Olga Denerenko in Murder in Space (1985), and co-host with Jack Palance of the first season of the ABC television documentary series Ripley's Believe It or Not!. She later became a real estate agent. Wikipedia