Carl Panzram
Henry Lesser
Elizabeth Wyatt
Esther Lesser
R.G. Greiser
Warden Quince
Old Henry Lesser
Dr. Karl Menninger
Sam Lesser
Judge John W. Kingman
Warden Charles Casey
Cop
Richard Lesser
Harry Sinclair (as Michael Jeffery Woods)
Junkie
Trusty
Young Carl Panzram
Teenaged Carl Panzram (as Seth Romitelli)
Jack Turner
Walter Bailey
Jury Foreman
Minister
Hiram the Guard
Hangman
Lady Bartender
(voice)
(voice) (as Nicolas Guest)
Good Samaritan (uncredited)
Student (uncredited)
Prison Guard (uncredited)
Prisoner (uncredited)
Man Buying Cigarettes (uncredited)
Woman in Speakeasy (uncredited)
Girl 2 (uncredited)