The Devil Bear
1929 · 'Stub' Higgins, mine mucker
The Student Prince in Old Heidelberg
1928 · Kellermann
The Road to Romance
1927 · Drunkard (as Bobby Mack)
The Bandit's Son
1927 · Jake Kirby (as Bobby Mack)
The Opening Night
1927 · Aaron Hinkle (as Bobby Mack)
The Girl from Montmartre
1926 · Cab Driver
Smouldering Fires
1925 · Member of the Committee
The Timber Wolf
1925 · Billy Winch
A Woman Who Sinned
1924 · Sailor
A Lady of Quality
1924 · The Groom (as Bobby Mack)
The Cowboy and the Lady
1922 · Justice of the Peace
Under Two Flags
1922 · Rake (as Robert Mack)
While Satan Sleeps
1922 · Bones (as Bobby Mack)
My Wild Irish Rose
1922 · Harvey Duff
Black Beauty
1921 · Derby Ghost (as Bobby Mack)
