From Wikipedia, the free encyclopedia. Matthew Ray Prokop (born July 29, 1990)[1] is an American former actor. He is known for his roles as Jimmie "The Rocket Man" Zara in the Disney film High School Musical 3: Senior Year (2008) and Josh Rosen in the Disney Channel Original Movie Geek Charming (2011). In 2011, Prokop was represented by Management 360 and APA. His first acting job was a brief appearance on Hannah Montana in 2007, followed by a walk-on role on The Office. He guest starred on Medium (2009) before landing a role in Furry Vengeance (2010) as Brendan Fraser's son. He featured in the 2011 Disney Channel Original Movie Geek Charming, based on author Robin Palmer's novel. In 2012, he appeared in an episode of Modern Family, opposite then girlfriend and series regular Sarah Hyland. His last acting appearance was in the 2013 fi...read more