Actor best known for his breakout role in the 2012 comedy film Pitch Perfect. He also appeared in the 2013 teen comedy Geography Club and had a recurring role on iCarly in the role of Steven.
He had his first acting role in the 2010 TV movie, A Walk in My Shoes.
He has had supporting film roles in So Undercover and That's What I Am.
He is the younger brother of actress Kristen Stewart, and has two others siblings named Dana and Taylor.
He acted opposite Nikki Blonsky in the 2013 comedy film, Geography Club.