Such Men Are Dangerous (a.k.a. The Mask of Love) is a 1930 American pre-Code drama film directed by Kenneth Hawks and written by Ernest Vajda. The film is based on a novella by Elinor Glyn who based her story on the 1928 real-life disappearance of Belgian banker Alfred Loewenstein who vanished on a flight over the English Channel. Such Men Are Dangerous stars Warner Baxter, Catherine Dale Owen, Hedda Hopper, Claud Allister, Albert Conti and Bela Lugosi. Shortly after a midair collision killed 10 crew members in the "worst air accident in film history", Such Men Are Dangerous was released on March 9, 1930, by Fox Film Corporation.