He is currently the voice of Kanan Jarrus in the Disney XD series Star Wars Rebels.
He is the husband of Sarah Michelle Gellar and worked for WWE as a producer and director.
In 2008, he auditioned for Jigsaw in Punisher: War Zone, but was not given the part at the decision of Lionsgate Studios.
Prinze is a fan of World Wrestling Entertainment (WWE) and was seen on television in attendance at the March 2008 Wrestle Mania XXIV pay-per-view and its preceding Hall of Fame ceremony.
He also made a cameo on an episode of The Dirt Sheet, an online program hosted by wrestlers John Morrison and The Miz, and had created an official profile on WWE's "Universe" blog community where he would regularly write his thoughts about the current goings-on in the world of the WWE.
His relationship with the company was furthered when he was hired as a member of the creative staff to contribute to weekly television and pay-per-view programming On August 17, Prinze appeared on Raw as a special guest host, where he was assaulted by then WWE Champion Randy Orton after refusing to bail Orton out of his tag team match with John Cena, who was due to challenge him in the upcoming Summer Slam.
The sitcom is said to depict some actual events from his life, and lasted one season before being canceled in May 2006.
He guest starred on George Lopez for a crossover with Freddie.He returned to the role of James Vega again for the animated feature film Mass Effect: Paragon Lost, dubbed by FUNimation.In 2014, it was announced he had joined the cast of Star Wars Rebels as the voice of Kanan, one of the last surviving Jedi knights.In 2006, he lent his voice to the character of Pi in the computer-animated film Shark Bait.Also in 2007, he lent his voice to the character of Rick in Happily N'Ever After along with his wife Gellar, Wallace Shawn, Andy Dick, George Carlin, and Sigourney Weaver.And if you need more proof that they're the perfect celebrity couple, the pair have two gorgeous kids, Freddie is a full-time stay at home dad and they have two dogs.