Buster Keaton

as Golfer Turned Prisoner, Guard

Sybil Seely

as Socialite, Warden's Daughter

Joe Roberts

as The Crazed Prisoner

Edward F. Cline

as Hangman

Joe Keaton

as Prisoner

Harry Keaton

as Little guard that Big Joe knocks out (uncredited)

Louise Keaton

as (uncredited)