First, Marcus vigorously shakes hands with a spectacled, handle-bar mustached "Popper" Sieppe (Chester Conklin), who carries a Winchester rifle, has a chest covered with medals, and wears a hat with a small American flag.The screenplay by Grover Jones and Samson Raphaelson, about a pair of sophisticated thieves (played exquisitely by Herbert Marshall and Miriam Hopkins), was based on the playThe Honest Finder, by Aladar Laszlo (incorrectly transposed in the credits).Inside, blonde American socialite Margot Wendice (Grace Kelly), wearing a pale pink wool sweater suit, was being kissed by her husband Tony Wendice (Ray Milland), wearing a dark business suit, as she read the morning paper,The Times.When the seal was broken, they were sprayed in the face with a melting substance and killed.The diggers"" faces were "melted" - by "pressurized salt acid, some kind of ancient booby trap." Jonathan wondered whether the place was really "cursed." Suddenly, the Medjai rode into the two camps and attacked the explorers with guns and scimitars.During a pause in the fighting, Medjai leader Ardeth Bay warned: "Enough...We will shed no more blood, but you must leave.Leave this place or die.You have one day." The Americans sensed that there definitely was something being protected under the sand: "You know there""s treasure down there.