Here is an in-depth look at Indy's confrontation with Belloq in a Cairo bar. Spielberg shows his genius.
Really, is there a better dressed and more debonair villain in the cinematic world than René Belloq? Anthony Hopkins as Hannibal Lecter tried, but didn't succeed in quite the same way. Speaking of Lecter, I'd much rather bump into him in a dark alley than this guy.