Preston Foster as Det. Sgt. Pete 'Mac' McCaffrey

Jane Wyatt as Sally Rodgers

James Gleason as Detective Danny Walsh

Jane Darwell as Mrs. Walsh

Harold Huber as Tony Ricci

Christian Rub as William Anderson

Mischa Auer as Lefty Berger

John Arledge as Johnny O'Brien

Arthur Hohl as John Martin

Rafaela Ottiano as Mrs. Anderson

Moroni Olsen as R.J. Curran

Effie Ellsler as Grandma Anderson

Delmar Watson as Tommy Anderson

Hattie McDaniel as Molly

Ward Bond as Bank Robber

Charles C. Wilson as Editor of The Daily Star

James Donlan as Casey

Bobby Barber as Counterman

Maurice Cass as Grocer at Deli

George Davis as First Waiter

John Dilson as Ballistics Expert

Bud Geary as Jailkeeper

Frank Mills as Berger's Second Messenger

Pat O'Malley as Police Officer Jordan

Marie Osborne as Woman at Western Union

Lee Phelps as Detective

Joseph W. Reilly as Cop