Robert Harron
Harry Faulkner (Prologue) / Weakhands (The Old Days)
Mae Marsh
Lilywhite
William J. Butler
Priscilla's Father (Prologue)
Wilfred Lucas
Brute Force
Edwin Curglot
Caveman
Alfred Paget
In Club (Prologue) / Tribesman (The Old Days)
Jennie Lee
Rejected Cavewoman
Harry Carey
In Womanless Tribe (The Old Days) (uncredited)