Michael D. Moore (born Dennis Michael Sheffield, October 14, 1914 – March 4, 2013) was a Canadian-born American film director, second unit director, and child actor, when he was credited as Mickey Moore (or Micky Moore). He was credited as Michael Moore on all the films and TV shows he directed, and on most of the films on which he was second unit director. Born Michael Sheffield in Victoria, British Columbia, both he and his brother Patrick were Hollywood child actors. At the age of five he appeared in his first film under the stage name "Mickey Moore". He appeared in two dozen films until 1927 when he was 13. In the early 1950s, Moore began working as an Assistant Film Director and would fill that role or as a Second unit director on more than sixty films. He played a key part in a number of major motion pictures including The Ten Commandments, Gunfight at the O.K. Corral, Butch Cassidy and the Sundance Kid, Patton, and The Man Who Would Be King in 1975. He also worked as an assistant director on several Elvis Presley musical films and directed Presley in the 1966 film, Paradise, Hawaiian Style for Paramount Pictures. Because of that, plus his experience directing a western film, MGM hired him to direct rock singer Roy Orbison in 1967's The Fastest Guitar Alive. He was the associate producer in charge of action & animal scenes for Quest for Fire. In the 1980s, Steven Spielberg hired Moore as assistant director for both the second and third Indiana Jones films. Moore worked as second unit director on Raiders of the Lost Ark. His association with Spielberg also led him to direct one episode ("Alamo Jobe") in the acclaimed TV series Amazing Stories. Well into his eighties, Moore was still active, his most recent work being as the second unit director for Disney's 2000 film, 102 Dalmatians.

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