Gregg Sulkin is an English actor. He made his television debut in the 2002 Doctor Zhivago mini-series. He later starred in the 2006 British film Sixty Six, and subsequently appeared in the Disney Channel comedy series As the Bell Rings and Wizards of Waverly Place. In 2010, he starred in the Disney Channel television film Avalon High. He also appeared in the television special The Wizards Return: Alex vs. Alex. He starred on MTV's show Faking It as Liam Booker from 2014 until its cancellation in 2016. He also appeared on Pretty Little Liars as Ezra's brother, Wesley "Wes" Fitzgerald. In 2016, he starred in the role of Sam Fuller in the horror-thriller film Don't Hang Up. He starred as Chase Stein in the TV show Runaways, based on the Marvel Comics series of the same name.

Doctor Zhivago is a 2002 British television drama serial directed by Giacomo Campiotti and starring Hans Matheson, Keira Knightley and Sam Neill. The teleplay by Andrew Davies is based on the 1957 novel of the same title by Boris Pasternak. It is set primarily against the backdrop of the Russian Revolution of 1917 and the subsequent Russian Civil War of 1917–1923. At its core is Lara Guishar Antipova, a young woman from Moscow who has a profound effect on three men who become enamoured with her.