Nicholas was born in Bethpage, New York. His parents are actor Craig Braun and Elizabeth Lyle. He made his debut in Disney productions such as Sky High (2005) and Princess Protection Program (2009). He also had a recurring role as Cameron in ABC Family's 2009-2010 series 10 Things I Hate About You (2009). He has gone on to have major roles in such films as Red State (2011), Prom (2011), and Date and Switch (2014). Additionally, he has had the continuing role of Cole Waters in the online Web series The LXD: The Legion of Extraordinary Dancers (2010).