Réalisation: Anatole Litvak
Un médecin bien établi devient un meurtrier dans le but de faire des études sur la criminalité et le cerveau des criminels.
Edward G. Robinson
Dr. T.S. Clitterhouse
Claire Trevor
Jo Keller
Humphrey Bogart
'Rocks' Valentine
Allen Jenkins
Okay
Donald Crisp
Police Inspector Lewis Lane
Gale Page
Nurse Randolph
Henry O'Neill
Judge
John Litel
Mr. Monroe, Prosecuting Attorney
Thurston Hall
Grant
Ward Bond
Tug
Ronald Reagan
Radio Announcer (voice) (uncredited)
Mary Field
Millie - Mrs. Updyke's Maid (uncredited)
Maxie Rosenbloom
Butch
Vladimir Sokoloff
Popus
Bert Hanlon
Pat
Curt Bois
Rabbit
Billy Wayne
Candy
Robert Homans
Lt. Johnson
Irving Bacon
Foreman of Jury
John Alban
Guest (uncredited)
Edward G. Robinson
Dr. T.S. Clitterhouse
Claire Trevor
Jo Keller
Humphrey Bogart
'Rocks' Valentine
Allen Jenkins
Okay
Donald Crisp
Police Inspector Lewis Lane
Gale Page
Nurse Randolph
Henry O'Neill
Judge
John Litel
Mr. Monroe, Prosecuting Attorney
Thurston Hall
Grant
Ward Bond
Tug
Ronald Reagan
Radio Announcer (voice) (uncredited)
Mary Field
Millie - Mrs. Updyke's Maid (uncredited)
Maxie Rosenbloom
Butch
Vladimir Sokoloff
Popus
Bert Hanlon
Pat
Curt Bois
Rabbit
Billy Wayne
Candy
Robert Homans
Lt. Johnson
Irving Bacon
Foreman of Jury
John Alban
Guest (uncredited)
Edward G. Robinson
Dr. T.S. Clitterhouse
Claire Trevor
Jo Keller
Humphrey Bogart
'Rocks' Valentine
Allen Jenkins
Okay
Donald Crisp
Police Inspector Lewis Lane
Gale Page
Nurse Randolph
Henry O'Neill
Judge
John Litel
Mr. Monroe, Prosecuting Attorney
Thurston Hall
Grant
Ward Bond
Tug
Ronald Reagan
Radio Announcer (voice) (uncredited)
Mary Field
Millie - Mrs. Updyke's Maid (uncredited)
Maxie Rosenbloom
Butch
Vladimir Sokoloff
Popus
Bert Hanlon
Pat
Curt Bois
Rabbit
Billy Wayne
Candy
Robert Homans
Lt. Johnson
Irving Bacon
Foreman of Jury
John Alban
Guest (uncredited)