(written from a Production point of view)
Deni Tyler (born 30 March) is an actress and model who played a Tyran technician in the Star Trek: The Next Generation sixth season episode "The Quality of Life". As a background actress, she received no screen credit for her appearance and was identified by the name tag of her costume, which was sold off on the It's A Wrap! sale and auction on eBay. 
Tyler was born on the north shore of Oahu, Hawaii and went to school in Germany. She once received the title Miss Waikiki Hawaii America and is working as talent account for marketing tours including ESPN2 And 1 Street Ball, Old Spice Red Zone, Redbook Magazine, and Bacardi.
Beside her Star Trek appearance, Tyler can be seen as the ride host in the 2001 television special Disney's California Adventure TV Special. She was also featured in The Keenan Ivory Wayans Show, Everybody Loves Raymond, and appeared in a few stage plays.