Judd Nelson is an American actor, screenwriter, and producer, best known for his film roles as John Bender in The Breakfast Club, Alec Newbary in St. Elmo's Fire, Steven in This is Happening, and Nick Peretti in New Jack City. Other film credits include The Downside of Bliss, The Bandit Hound, 1/1, Kreep, Road to the Open, Kristin’s Christmas Past, The Boondock Saints II: All Saints Day, A Single Woman, Nevermore, The Freediver, Jay and Silent Bob Strike Back, Endsville, Light It Up, Airheads, Fandago, Primary Motive, From the Hip, Rock ‘n’ Roll Hotel, and The Transformers: The Movie.

Television credits include Billy Beretti on FOX’s Empire, Ronald Peller on CW’s Nikita, Chris Makelroy on CBS’ Two and a Half Men, and Jack Richmond on NBC’s Suddenly Susan.

Theatre credits include Off-Broadway, as Jonathan in Carnal Knowledge (Martin R. Kaufman Theatre).