★ 6,5
Evangeline
1929 · Michael
★ 7,0
The Devil Bear
1929 · 'Stub' Higgins, mine mucker
★ 7,2
Il principe studente
1928 · Kellermann
★ 8,0
The Bandit's Son
1927 · Jake Kirby (as Bobby Mack)
★ 8,0
The Opening Night
1927 · Aaron Hinkle (as Bobby Mack)
★ 10,0
The Girl from Montmartre
1926 · Cab Driver
★ 10,0
The Timber Wolf
1925 · Billy Winch
★ 6,8
Smouldering Fires
1925 · Member of the Committee
★ 7,0
A Lady of Quality
1924 · The Groom (as Bobby Mack)
★ 8,0
Sotto due bandiere
1922 · Rake (as Robert Mack)
★ 10,0
The Cowboy and the Lady
1922 · Justice of the Peace
★ 10,0
My Wild Irish Rose
1922 · Harvey Duff
★ 7,0
While Satan Sleeps
1922 · Bones (as Bobby Mack)
★ 5,0
Black Beauty
1921 · Derby Ghost (as Bobby Mack)
★ 10,0
Human Stuff
1920 · Butler
★ 6,9
Giglio infranto
1919 · Ringside Employee (uncredited)
★ 6,0
The Place Beyond the Winds
1916 · Street Food Seller
The Girl of Lost Lake
1916 · Sim Perkins