Warner Baxter
— Dr. Robert J. Ordway / Phillip Morgan
Margaret Lindsay
— Grace Fielding
John Litel
— Emilio Caspari, the mystery man
Ray Collins
— Dr. John Carey
Harold Huber
— Joe Dylan
Don Costello
— Nick Ferris / Jim Warren
Leon Ames
— William Wheeler
Phil Arnold
— Third Reporter in Court
Vi Athens
— Myrtle Perrin
Betty Blythe
— Mrs. Harrington
Paul Bryar
— First Reporter in Court
Wallis Clark
— Judge
Chester Clute
— Headwaiter
Kernan Cripps
— Turnkey
Harold De Becker
— Bartender
Franklyn Farnum
— Juror
Edward Fielding
— Governor
Bess Flowers
— Patient in Ordway's Office
Kit Guard
— Mac, Waiter at Frankie's Bar
Anne Jeffreys
— Reporter on Telephone (uncredited)
Charles Jordan
— Reporter with Coffee
Eddie Kane
— Courtroom Well-wisher
Donald Kerr
— Second Reporter in Court
Milton Kibbee
— Man in Bar Booth
Reid Kilpatrick
— Prison Broadcaster
Adele Mara
— Nurse
George McKay
— Murphy, Fingerprint Officer
Hans Moebus
— Juror
Monty O'Grady
— Student
Addison Richards
— Prison Warden