When Danesco (Gene Lockhart) is taken into the hotel owner's office, the two men who brought him there stand next to him on either side. Then when the owner had them frisk Danesco for cheating, the two men approach him from several steps away from behind.
After Gordon sits down at the gambling table, he is shown putting his wallet back into his jacket's inside pocket twice - once is a shot from behind and again in the next shot from the front.
At the end of the picture, Michael and Yvonne are depicted as flying out of Damascus. They board a Capelis XC-12, but the last shot of the plane taking off is an American Airlines Douglas DC-3 (note the "AA" on top of the left wing).