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Law of the Wild [Serial] (1934)
directed by Armand Schaefer, B. Reeves "Breezy" Eason
featuring Bob Custer, Rex the Wonder Horse, Rin Tin Tin Jr. -
Vengeance of Rannah (1936)
directed by Raymond Samuels
featuring Edward Cassidy, Bob Custer, John Elliott, Edward Phillips, Victoria Vinton -
Mark of the Spur (1932)
directed by J.P. McGowan
featuring Bob Custer, Franklin Farnum, Bud Osborne, Lillian Rich, Blackie Whiteford -
Law of the Rio Grande (1931)
directed by Bennett Ray Cohen, Forest Sheldon
featuring Betty Mack, Edmund Cobb, Bob Custer, Carlton S. King, Nelson McDowell, Harry Todd