Filmography
Evangeline1929 · Michael
The Devil Bear1929 · 'Stub' Higgins, mine mucker
The Student Prince in Old Heidelberg1928 · Kellermann
The Bandit's Son1927 · Jake Kirby (as Bobby Mack)
The Opening Night1927 · Aaron Hinkle (as Bobby Mack)
The Road to Romance1927 · Drunkard (as Bobby Mack)
The Girl from Montmartre1926 · Cab Driver
The Timber Wolf1925 · Billy Winch
Smouldering Fires1925 · Member of the Committee
Ports of Call1925 · Sly
A Woman Who Sinned1924 · Sailor
A Lady of Quality1924 · The Groom (as Bobby Mack)
Under Two Flags1922 · Rake (as Robert Mack)
The Cowboy and the Lady1922 · Justice of the Peace
My Wild Irish Rose1922 · Harvey Duff
While Satan Sleeps1922 · Bones (as Bobby Mack)
Black Beauty1921 · Derby Ghost (as Bobby Mack)
Human Stuff1920 · Butler
Gates of Brass1919
Broken Blossoms or The Yellow Man and the Girl1919 · Ringside Employee (uncredited)