Star Wars: Rebels - Scooby Doo: 1 & 2 - Robot Chicken - She’s All That

Freddie Prinze Jr. well known for his role as Fred in the Scooby Doo films, as well as his vocal roles in Star Wars: Rebels, and Robot Chicken.

Prinze was cast in a guest role on the ABC TV series Family Matters in 1995. He then appeared in a few programs and made-for-TV movies, before making his motion picture debut in To Gillian on Her 37th Birthday in 1996. In subsequent years, Prinze experienced success with appearances in youth-oriented movies. I Know What You Did Last Summer (1997) and its sequel, I Still Know What You Did Last Summer (1998), made him well-known among teenage audiences. In his first leading role, the romantic comedy She's All That(1999), he was very successful at the box office. The film grossed $63 million in the United States.

Subsequently, he had leading roles in Wing Commander (1999), Down to You (2000), Boys and Girls (2000), Head over Heels (2001) and Summer Catch (2001), most of which were generally disliked by critics and had moderate box office success.

Freddie Prinze Jr. at the 2009 San Diego Comic-Con

In 2002, he played Fred Jones in the live-action film version of the popular cartoon, Scooby-Doo, and reprised the role in the 2004 sequel, Scooby-Doo 2: Monsters Unleashed, both alongside his wife Sarah Michelle Gellar and along with Matthew Lillard and Linda Cardellini. He guest starred on the popular NBC show, Friends, as a sensitive male nanny named Sandy on the series' 200th episode. He also appeared as Donny Crane, a character believed to be Denny Crane's son in the ABC legal drama-comedy Boston Legal. Prinze starred in his own television sitcom, titled Freddie. 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. In 2004, Prinze accepted a special award from TV Land on behalf of his late father. He thanked his father's former co-star, Della Reese, for her continued advice and support. 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. In 2008, he auditioned for Jigsaw in Punisher: War Zone, but was not given the part at the decision of Lionsgate Studios. He later voice titular character in animation movie Delgo. In 2010, Prinze guest starred on Psych as Dennis, a grade school friend of Shawn Spencer and Burton Guster.

He also voiced Tim and Jim Possible in the Kim Possible movie Kim Possible: A Sitch in Time.

Prinze is a fan of World Wrestling Entertainment (WWE) and was seen on television in attendance at the March 2008 WrestleMania 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 for the SmackDown brand. It was reported on February 22, 2009 that Prinze and WWE had parted ways.

In March 2009, it was announced that Prinze had signed on to star as Bradley, aka Ultimatum in the ABC show No Heroics, a U.S. remake of the British show of the same name. The show was not picked up, but Prinze was cast as a series regular for the eighth season of the television show 24, where he played Cole Ortiz, a new CTU operative.

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 SummerSlam. Prinze later returned to the program and got his payback during Orton's match with Cena against Big Show and Chris Jericho, by setting up a lumberjack match involving Mark Henry, Primo, Evan Bourne, Kofi Kingston, MVP, and Jamie Noble.

Prinze returned to WWE on October 1, 2010, in a role as producer and director. On the November 1, 2010, episode of Monday Night RAW, Prinze made an on-screen appearance as Vince McMahon's doctor, a dream sequence scene that coincided with Linda McMahon's attempt to win a seat in the Senate for the state of Connecticut.

He voiced a pilot in a Vatta's War: Trading in Danger graphic audiobook. Prinze voiced different characters in BioWare video games: Lieutenant James Vega in Mass Effect 3 and The Iron Bull in Dragon Age: Inquisition. He returned to the role of James Vega again for the animated feature film Mass Effect: Paragon Lost, dubbed by FUNimation. From 2014 until 2018, he was the voice of Kanan Jarrus, one of the last surviving Jedi knights, on the Disney XD series Star Wars Rebels.