Smart answer:

Your search for Who directed The Untouchables returned the following results:

Brian De Palma

Brian De Palma directed a new The Untouchables feature film in 1987, starring Kevin Costner and based loosely on Ness’ book and the resulting series.

by Olivier Nakache and Eric Toledano

The Untouchables, directed by Olivier Nakache and Eric Toledano, was nominated for nine prizes at France’s Cesar awards this year but took home just one, the Best Actor prize for protagonist Omar Sy.

Brian DePalma

The Untouchables was directed by Brian DePalma and Carlito's stylish approach to the material is perfect for the film’s story.