From Headquarters

George Brent

Lt. Jim Stevens

Margaret Lindsay

Lou Winton

Eugene Pallette

Sgt. Boggs

Edward Ellis

Dr. Van de Water

Robert Barrat

Anderzian

Theodore Newton

Jack Winton

Murray Kinnell

Horton

Hobart Cavanaugh

Muggs Manton

Hugh Herbert

Manny Wales

Henry O'Neill

Inspector Donnelly

Dorothy Burgess

Dolly White

Frank Darien

Manley

Kenneth Thomson

Gordon Bates

Ken Murray

Mac

Spencer Charters

Teletype Man (uncredited)

Al St. John

Detainee Touching Cigarette Pack (uncredited)

Ben Taggart

Third-Degree Detective (uncredited)

Matt McHugh

Man picked up by police wagon (uncredited)