(written from a Production point of view)
Jenna Zacchia Wilson (born 6 January 1981; age 34) is an actress and dancer who played an alien dancer in the Star Trek: Voyager episode "Q2". She received no 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. 
Wilson was born in Long Beach, California and trained dance from early age on. She attended the California State University in Fullerton and earned her BA in Theater in 2005. Wilson studied acting at the Beverly Hills Playhouse under coaches such as Allen Williams and Jocelyn Jones, is occasionally working as a model for labels such as Prada, is part of a Los Angeles based jam band, and has appeared in music videos for artists such as Aaron Carter and Pink.
Wilson has also portrayed supporting and background roles in several television series such as Boston Public (2000, with Lisa Kaminir, Angela Paton, and April Grace), V.I.P. (2001, along Corbin Bernsen, Jeff Ricketts, and George Takei), Six Feet Under (2001, with Christopher Michael), The Lyon's Den (2003, with Eric Lemler and Robert Picardo), What I Like About You (2004), and Las Vegas (2004, with Nikki Cox, Joe Maruzzo, Harry Groener, and Mark Moses).
Among her film appearances are the thriller Island Prey (2001, with Heather Long, Jerry Hardin, and Jack Donner), the comedy Legally Blonde (2001, with Bruce Thomas, Michael Buchman Silver, Shannon O'Hurley, Ted Rooney, and James Read), the comedy Bubble Boy (2001, with Brian George and Cyia Batten), the drama Home Room (2002, with Raphael Sbarge, Ken Jenkins, and Jenette Goldstein), the short science fiction film The Gates-trix (2003), and the fantasy film The Dream of Alvareen (2004).