(written from a Production point of view)
For the Star Trek: The Next Generation fifth season episode "Silicon Avatar", he filmed his scenes on Wednesday 7 August 1991 on location at the Golden Oak Ranch and can be seen as the elderly colonist who died together with Carmen Davila. For the Star Trek: Voyager third season episode "Warlord", Van Sharner filmed his scene on Wednesday 4 September 1996 on Paramount Stage 16 and is listed as "Autarch (Ilari)" on the call sheet. His costume from "Warlord" was later sold off on the It's A Wrap! sale and auction on eBay. 
Van Sharner was featured as an airline passenger and worked as stand-in for Martin Landau on the 1997 comedy B*A*P*S, with Luigi Amodeo and Debra Wilson. In 1999 he worked as office production assistant on the drama The Joyriders and in 2001 he worked again as stand-in for Martin Landau on the drama The Majestic, with David Ogden Stiers, Mario Roccuzzo, Frank Collison, Ken Magee, and Earl Boen, and had a featured part as Grumpy in the thriller Vanilla Sky, with Armand Schultz, Robertson Dean, Ray Proscia, Mark Bramhall, Michael Kehoe, and Andrei Sterling.