Gregg Sulkin (born 29 May 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 will play Chase Stein in the upcoming TV series Runaways.