Interview with screenwriter, Todd Komarnicki. Komarnicki is a prolific writer, producer and director of film and television as well as an acclaimed novelist. His screenplays include "Sully," directed by Clint Eastwood and starring Tom Hanks in the title role. Perfect Stranger, starring Bruce Willis and Halle Berry, and The Professor and the Madman starring Mel Gibson and Sean Penn. He has sold pilots to ABC, NBC, CBS, and FOX. In addition, Komarnicki produced the Christmas blockbuster "Elf," starring Will Ferrell and directed by Jon Favreau.