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
as Capt. Stephen Jameson
Humphrey Bogart
as Joe 'Red' Kennedy
Ann Sheridan
as May
Barton MacLane
as Lt. Druggin
Joe Sawyer
as 'Sailor Boy' Hansen
Veda Ann Borg
as Helen
Archie Robbins
as Mickey Callahan
Joe King
as Warden Taylor
Gordon Oliver
as Captain
Garry Owen
as Dopey
Marc Lawrence
as Venetti
Emmett Vogan
as Lieutenant
