(written from a Production point of view)
David Clover is an actor who played the Vhnori cenotaph attendant in the Star Trek: Voyager episode "Emanations". He received no credit for this role and was identified by the name tag of his costume which was sold off on It's A Wrap! sale and auction on eBay. 
Among his acting resume are films such as The Kentucky Fried Movie (1977, with Marcy Goldman, Gwen Van Dam, Felix Silla, Manny Perry, Branscombe Richmond, and Lance LeGault), The Loch Ness Horror (1981, with Garth Pillsbury), WarGames (1983, with Michael Ensign, Stephen Lee, and stunts by Rick Avery), Private War (1988, with Sam Hennings), and Kill or Be Killed (1993, with Rif Hutton).
Clover has also guest starred in television series such as The Love Boat (1978), CHiPs (1978 and 1981, with Lou Wagner, Robert Pine, and Michael Dorn), The A-Team (1983, starring Dwight Schultz and Melinda Culea, and guest starring Charles Napier, Lance LeGault, and Jim Boeke), Moonlighting (1987, with Tracey Walter), and Silk Stalkings (1992, with Dan Gauthier).