Credits

• 1929 ·Evangelineas Michael
• 1929 ·The Devil Bearas 'Stub' Higgins, mine mucker
• 1928 ·The Student Prince in Old Heidelbergas Kellermann
• 1927 ·The Bandit's Sonas Jake Kirby (as Bobby Mack)
• 1927 ·The Opening Nightas Aaron Hinkle (as Bobby Mack)
• 1927 ·The Road to Romanceas Drunkard (as Bobby Mack)
• 1926 ·The Girl from Montmartreas Cab Driver
• 1925 ·The Timber Wolfas Billy Winch
• 1925 ·Smouldering Firesas Member of the Committee
• 1925 ·Ports of Callas Sly
• 1924 ·A Lady of Qualityas The Groom (as Bobby Mack)
• 1922 ·Under Two Flagsas Rake (as Robert Mack)
• 1922 ·My Wild Irish Roseas Harvey Duff
• 1922 ·While Satan Sleepsas Bones (as Bobby Mack)
• 1921 ·Black Beautyas Derby Ghost (as Bobby Mack)
• 1920 ·Human Stuffas Butler
• 1919 ·Gates of Brassas
• 1916 ·The Place Beyond the Windsas Street Food Seller
• 1916 ·The Girl of Lost Lakeas Sim Perkins