波利斯·卡洛夫

Boris Karloff

饰：Dr. Henryk Savaard

洛娜·格雷

Lorna Gray

饰：Janet Savaard

Robert Wilcox

饰：Scoop Foley

Roger Pryor

饰：Dist. Atty. Drake

唐·贝多

Don Beddoe

饰：Lt. Shane

安·多兰

Ann Doran

饰：Betty Crawford

Joe De Stefani

饰：Dr. Stoddard

查尔斯·特罗布里奇

Charles Trowbridge

饰：Judge Bowman

拜伦·弗格

Byron Foulger

饰：Lang

迪克·柯蒂斯

Dick Curtis

饰：Kearney

詹姆斯·克雷格

James Craig

饰：Watkins

约翰·泰瑞尔

John Tyrrell

饰：Sutton

George Anderson

饰：Warden (uncredited)

Harlan Briggs

饰：Defense attorney (uncredited)

斯坦利·布朗

Stanley Brown

饰：Bob Roberts (the victim) (uncredited)

Flo Campbell

Flo Campbell

饰：Bit part (uncredited)

约翰·迪尔森

John Dilson

饰：King (city editor) (uncredited)

William Lally

饰：Bailiff (uncredited)

Ian Maclaren

饰：Priest (uncredited)

Charles F. Miller

饰：Dr. Avery (juror) (uncredited)

沃尔特·桑德

Walter Sande

饰：Reporter at typewriter (uncredited)

Cyril Thornton

饰：Senior butler (uncredited)