Five Graves to Cairo - ( Black and White / WW2 thriller) - 1943

During the 1942 North African campaign, a British soldier, the only survivor of his unit, manages to disguise himself as a waiter who was in fact a German spy. At a hotel commandeered as Rommel's headquarters. He has thoughts of assassinating Rommel but realises his cover may have an even better use, to get information to the allies..