Gregory Jeffers

Lieutenant commander Gregory Jeffers is a Starfleet officer who is currently the chief engineer of the USS Valentine, replacing Justin Davenport. (Star Trek: The New Adventures)

He liked talking about his adventures on the USS Beethoven to other officers, calling it an "experience". He had a wife on the Beethoven but was killed because a Romulan had infiltrated the ship as a Vulcan Starfleet helmsman who had experience on the conn, because he couldn't bear the memories of being on the ship, he decided to transfer to the Valentine.

Background information
Lieutenant Commander Jeffers was played by TV personality Simon Cowell. This is so far, his only known acting appearance on television.

Ronald G. Hutson decided to add him to the main cast because Cowell was his favourite TV personality.

Jeffers was also the original name given to Justin Davenport, but it was changed due to unknown reasons.