(written from a Production point of view)
Knight is best known for playing the role of Tommy Turner in the Porky's series of films which also starred TNG guest star Nancy Parsons. The first Porky's, released in 1982, also featured future Trek movie actress Kim Cattrall. Knight later appeared in 1999's Baby Geniuses, also starring Cattrall as well as Christopher Lloyd.
Knight's first known television role was a guest appearance on The Waltons, opposite Christopher Carroll in the 1979 episode "The Torch". He would go on to guest star in an episode of T.J. Hooker along with series regulars William Shatner, James Darren, and Richard Herd.
In 1990, he appeared in the television movie Family of Spies, as did fellow Trekers Vaughn Armstrong, Wren T. Brown, Gordon Clapp, and Boris Lee Krutonog. He more recently appeared in an episode of Chicago Hope with Alan Oppenheimer.
On 26 October 2011, Knight was found dead in a remote area of Maui, Hawaii following treatment for advanced non-Hodgkins lymphoma.   He was 56. His death is suspected by authorities to be a suicide.