Law of the Mounted is a 1928 American silent Western film directed by J.P. McGowan and starring Bob Custer, Cliff Lyons and Mary Mayberry. Synopsis A Mountie officer on the trail of some fur thieves, discovers they are also tied up in a murder he is investigating. Cast Bob Custer Cliff Lyons J.P. McGowan Mack V. Wright Bud Osborne Mary Mayberry Lynn Sanderson Frank Ellis Sally Winters References Bibliography John J. McGowan. J.P. McGowan: Biography of a Hollywood Pioneer. McFarland, 2005. External links 1928 films 1928 Western (genre) films Films directed by J. P. McGowan American black-and-white films Silent American Western (genre) films 1920s English-language films 1920s American films Royal Canadian Mounted Police in fiction Northern (genre) films