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Dangerous to Know
- Jaar: 1938
- Land: United States of America
- Genre: Misdaad, Drama, Mysterie
- Studio: Paramount Pictures
- Trefwoord: gangster
- Regisseur: Robert Florey
- Gips: Gail Patrick, Anna May Wong, Akim Tamiroff, Lloyd Nolan, Anthony Quinn, Harvey Stephens