Gregory "Gregg" Sulkin is an English-American actor. He is well known for his role as Liam Booker on the MTV sitcom Faking It.
For Disney, Sulkin subsequently became known for his roles as as JJ in the Disney Channel comedy series As the Bell Rings and Wizards of Waverly Place as Mason Greyback. He also played as William Wagner in the 2010 DCOM Avalon High. He even had a guest role as Rick in Freeform's sitcom Young & Hungry and played Chase Stein in the TV series Runaways.