Zak Penn

Zak Penn (born March 23, 1968) is an American screenwriter. Penn wrote and directed Incident at Loch Ness and The Grand, wrote the script for The Incredible Hulk, co-wrote the scripts for X2, X-Men: The Last Stand, and the story for The Avengers. With Michael Karnow, Penn is the co-creator of the TV series Alphas on the Syfy network.