波利斯·卡洛夫
Boris Karloff
饰：John Ellman
里卡多·柯兹
Ricardo Cortez
饰：Mr. Nolan
埃德蒙·格温
Edmund Gwenn
饰：Dr. Evan Beaumont
玛格丽特·丘吉尔
Marguerite Churchill
饰：Nancy
沃伦·赫尔
Warren Hull
饰：Jimmy
巴顿·麦克莱恩
Barton MacLane
饰：Loder
亨利·奥尼尔
Henry O'Neill
饰：District Attorney Werner
乔·金
Joe King
饰：Judge Roger Shaw (as Joseph King)
艾迪生·理查兹
Addison Richards
饰：Prison Warden
保罗·哈维
Paul Harvey
饰：Blackstone
Robert Strange
饰：Merritt
乔·索耶
Joe Sawyer
饰：'Trigger' Smith (as Joseph Sawyer)
埃迪·艾克夫
Eddie Acuff
饰：Betcha
肯尼思·哈尔兰
Kenneth Harlan
饰：Stephen Martin
Miki Morita
饰：Sako, Loder's Butler
Ruth Robinson
饰：Mrs. Shaw
比尔·埃利奥特
Bill Elliott
饰：American Radio Announcer (as Gordon Elliott)
Nicholas Kobliansky
饰：Russian Doctor (scenes deleted)
Edward Peil Sr.
饰：Train Engineer (scenes deleted)
Adrian Rosley
饰：Florist (scenes deleted)
Brandon Beach
饰：Second Guest (uncredited)
安德烈·贝兰杰
George Beranger
饰：Nolan's Butler (uncredited)
韦德·博特勒
Wade Boteler
饰：Cellist's Guard (uncredited)
Tom Brower
Tom Brower
饰：Bailiff (uncredited)
James P. Burtis
饰：Guard Who Answers Phone Too Late (uncredited)
Edwin J. Carlie
Edwin J. Carlie
饰：Prisoner (uncredited)
格伦·卡文德
Glen Cavender
饰：Extra in Courtroom (uncredited)
Lucille Collins
Lucille Collins
饰：Courtroom Woman Dodging 'Betcha' (uncredited)
弗兰克·达里恩
Frank Darien
饰：Cemetery Caretaker (uncredited)
萨拉·爱德华兹
Sarah Edwards
饰：Female Doctor, Guest at Party (uncredited)
Edward Gargan
饰：Guard Sitting Outside Warden's Office (uncredited)
Malcolm Graham
饰：Third Guest (uncredited)
Earle Hodgins
饰：Reporter at Both Trials (uncredited)
Harry Hollingsworth
饰：Bailiff (uncredited)
Paul Irving
饰：First Guest (uncredited)
Boyd Irwin
饰：British Doctor (uncredited)
约翰·凯利
John Kelly
饰：Joe, Merritt's Bodyguard (uncredited)
克劳福德·肯特
Crauford Kent
饰：British Radio Announcer (uncredited)
Larry Kent
饰：Reporter (uncredited)
Milton Kibbee
饰：Reporter (uncredited)
Isabel La Mal
饰：Sob Sister (uncredited)
Charles Marsh
饰：Reporter (uncredited)
Alphonse Martell
饰：Florist (uncredited)
Nick Moro
饰：Convict (uncredited)
威廉·H·奥布莱恩
William H. O'Brien
饰：Courtroom Extra (uncredited)
Spec O'Donnell
饰：Copy Boy (uncredited)
保罗·潘策尔
Paul Panzer
饰：Extra in Courtroom (uncredited)
Jean Perry
饰：French Radio Announcer (uncredited)
李·费尔普斯
Lee Phelps
饰：Bailiff (uncredited)
詹姆斯·皮尔斯
James Pierce
饰：Prisoner (uncredited)
Lee Prather
饰：Bailiff (uncredited)
Harrington Reynolds
饰：English Doctor (uncredited)
Sam Rice
饰：Counterman (uncredited)
杰克·理查森
Jack Richardson
饰：Extra Leaving First Trial (uncredited)
Syd Saylor
饰：Courtroom Reporter (uncredited)
Tom Schamp
Tom Schamp
饰：Prisoner (uncredited)
查尔兹·歇洛克
Charles Sherlock
饰：Courtroom Man Dodging 'Betcha' (uncredited)
Edgar Sherrod
饰：Prison Chaplain (uncredited)
Eddie Shubert
饰：Reporter (uncredited)
William Wayne
饰：Trusty (uncredited)
李奥·怀特
Leo White
饰：Courtroom Extra (uncredited)
Richard Kipling
Warren Hull
饰：Jimmy
Carl Faulkner