| rdfs:comment | - Walt Martin is an American sound engineer with over 70 films to his credit. Notable films he has worked on include, Space Cowboys (2000), Mystic River (2003), Million Dollar Baby (2004), Flags of Our Fathers (2006), Letters from Iwo Jima (2006), Changling (2008), and Invictus (2009).
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| abstract | - Walt Martin is an American sound engineer with over 70 films to his credit. Notable films he has worked on include, Space Cowboys (2000), Mystic River (2003), Million Dollar Baby (2004), Flags of Our Fathers (2006), Letters from Iwo Jima (2006), Changling (2008), and Invictus (2009).
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