The Boy
Buster Keaton
The Girl
Margaret Leahy
The Villain
Wallace Beery
The Girl's Father
Joe Roberts
The Girl's Mother
Lillian Lawrence
The Emperor / Cave Man / Roman Thug
Kewpie Morgan
Undetermined Role (uncredited) (unconfirmed)
Lionel Belmore
Roman Guard Knocked Down (uncredited)
George Davis
Old Fortune Teller (uncredited)
Louise Emmons
The Amazon (uncredited)
Blanche Payson
Director
Edward F. Cline
Writer
Clyde Bruckman
Producer
Director of Photography
Elgin Lessley
Joseph M. Schenck
Presenter
Joseph A. Mitchell
Jean C. Havez
William C. McGann
Art Direction
Fred Gabourie
Assistant Director
Robert Ives