 Aslan's more prominent screen appearances include gangster boss Duca in "Joe MacBeth" (1955), "King of Kings" (1961) as Herod, and "Cleopatra" (1963) as Porthinos.In 1961, in "The Devil at 4 O'Clock", alongside Frank Sinatra and Spencer Tracy, he portrayed Marcel, a criminal who finds repentance by giving his life to save children from being killed by a volcanic eruption on a South Sea island.In "Paris When It Sizzles" (1964), he played a police chief.