(written from a Production point of view)
D.P. Fitzgerald is an actor who appeared as a dream species alien in the Star Trek: Voyager fourth season episode "Waking Moments". He filmed his scenes for this episode on Tuesday 14 October 1997, Wednesday 15 October 1997, and Friday 17 October 1997 on Paramount Stage 8 and 9. His costume was re-used in the Star Trek: Enterprise episode "Rajiin" and was later sold off on the It's A Wrap! sale and auction on eBay. 
Beside his work on Star Trek, Fitzgerald had featured role in the fantasy adventure Pirates of the Caribbean: The Curse of the Black Pearl (2003, with Lee Arenberg, Zoe Saldana, Guy Siner, Michael Berry, Jr., Greg Ellis, and Vanessa Branch) and the animated feature film The SpongeBob SquarePants Movie (2004, with Clancy Brown, Kristopher Logan, Cole McKay, Bart McCarthy, Dylan Haggerty, Henry Kingi, Sr., and Paul Zies).
In 2007, he worked as host on the sport news program The Open.