Générique complet
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)
