In Indiana Jones and the Last Crusade Julian Glover, as Walter Donovan, is seen wearing an identical suit in the scene where he is saying goodbye to Indiana Jones [Harrison Ford] and his friend Marcus at the airport on their way to Venice, Italy. It was Walter Donovan who asked Professor Jones, Indiana's father, to help him in his quest for the Holy Grail. On Professor Jones' disappearance, Donovan asks Indiana to to track down his father and to pick up the trail for the Holy Grail.