After getting the roles in the Promised Land, Iron Eagle and The Heavenly Kid with his director Michael Hoffman he made an accredited role in the Iron Eagle II. He started to act in other movies including Rooftops, Born on the Fourth of July, Crossing the Bridge and Backdraft. Gedrick started in the television series when he acted in Sweet Justice and in Class of 96.

In the year 1994, he starred in a movie called The Force together with Kim Delaney and Yasmine Bleeth. He starred in the movie called Murder one of Steven Bochco. It is the series that was following the character of Gedrick who was a bad boy called Neil Avedon and he murdered a young girl of 15 years old. In the same series, other stars are Dylan Baker, Mary McCormack, Patricia Clarkson and Daniel Benzali together with Stanley Tucci. The second season had been commissioned but because of the network concerns and low ratings, new season featured many cases and not just a big case.

Jason Gedrick played in The Third Twin which is a film that run for 3 hours and it is a thriller that it is based on best-selling novel of 1996 from Ken Follett who is a British writer. He is playing like an employee of the university who was accused of raping someone and he had a friend who discovers that he had twins. However, there were more twins that were cloned by a university donor who is evil and millionaire with a CEO of biomedical technology.

He had the roles in more movies and tv shows and some of them are The Beast, Falcone and Ez Streets. He was the guest star for Ally MacBeal where he played as hot car wash guy. He played in The Last Don which is a miniseries of Mario Puzo. He played as Andrew Luster who is infamous rapist in the Lifetime movie and it was based on the trial called a Date with Darkness. He was a part of the television series called Windfall where Luke Perry was also the star.

Jason Gedrick was married to Dana Lavas before their divorce. Together with his wife, they have three children; all are boy, Jian, Ty with Garrett. His net worth is 1.5 million dollars. Jason Gedrick was the member of cast of HBO series called Luck and it run for only one season of 2012. He appeared in the multi-episode arc where he was playing like a manager for a club in Miami.