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)