Ryan's first film role was in 2007 as a guest character in Barney: Let's Go to the Firehouse, she played the role of a teenager.
Ryan also had a supporting role in the Metro-Goldwyn-Mayer feature film The Longshots, alongside teen actress Keke Palmer and Ice Cube. Ryan played one of the main characters, Bailey Pickett, on the Disney Channel Original Series, The Suite Life on Deck, which is a sequel/spin-off to the hit Disney Channel series, The Suite Life of Zack & Cody.
She was released until her court date after posting a 0,000 bail.
Ryan started acting in professional theatres at the age of seven; in 2007 she appeared in the Barney & Friends straight-to-DVD film Barney: Let's Go to the Firehouse and then was discovered in a nationwide search by Disney.
She is also known for appearing in the 2008 feature film The Longshots as Edith.
16 Wishes introduced Ryan to new audiences; the movie received high viewership in the adults demographic (18–34).
Soon after that, Ryan starred in the independent theatrical film, What If..., which premiered on August 20, 2010.