Gregg Sulkin (born May 29, 1992) is an English actor.

For Disney, Sulkin subsequently became known for appearing in the Disney Channel comedy series As the Bell Rings as JJ and Wizards of Waverly Place as Mason Greyback. In 2010, he starred in the Disney Channel television movie Avalon High as William Wagner. He also had a guest role as Rick in Freeform's sitcom Young & Hungry and played Chase Stein in the TV series Runaways.