Actors and Directors who should work together

Obviously there are loads but if you had to pick a few actors and directors that you think should work together on a film, but have'nt yet what would they be? Personally, I could never understand why on earth Al Pacino and Martin Scorsese have'nt worked together before. Along with De Nio, Pacino is probebly the ultimate mob actor, and obviously Scorsese is considered the master of mob movies so it does'nt make sence why they have'nt done a film together. Perhaps they don't like eachother? :wacko: Also, Jack Nicholson and De Niro although appeared on screen for a few minutes in 'The Last Tycoon', they really need to do a proper film together imo. A film directed by Scorsese, starring De Niro, Pacino and Nicholson would be ideal and amazing but would never happen. -_-