Ex-Army officer Jameson takes a job a prison guard at San Quentin. Joe, the brother of his new girlfriend May, is sentenced to the prison for robbery. When Jameson tries to separate lawbreakers from hardened criminals, badguy Hansen tries to stir up trouble by telling Joe about Jameson's interest in his sister.
Pat O'Brien
Capt. Stephen Jameson
Humphrey Bogart
Joe 'Red' Kennedy
Ann Sheridan
May
Barton MacLane
Lt. Druggin
Joe Sawyer
'Sailor Boy' Hansen
Veda Ann Borg
Helen
Archie Robbins
Mickey Callahan
Joe King
Warden Taylor
