Peter Weller, best known for his role as the original Robocop and who played Admiral Marcus in 2013’s Star Trek Into Darkness, has been added to the loaded celebrity line-up for the annual Las Vegas Star Trek Convention.

In addition to Weller, Mark Allen Shepherd, Sherry Jackson and Lee Arenberg join already announced guests, including Avery Brooks, Jonathan Frakes, Brent Spiner, Michael Dorn, Marina Sirtis, LeVar Burton, Gates McFadden, William Shatner, Kate Mulgrew, Scott Bakula, Colm Meaney, Walter Koenig, Nichelle Nichols, Chase Masterson, John de Lancie, Nana Visitor, Rene Auberjonis, Suzie Plakston, Tim Russ, Anthony Montgomery, Max Grodenchik, Aron Eisenberg, John Billingsly, Tony Todd, Robert O’Reilly, JG Hertzler, Robert Duncan McNeill, David Warner, Ethan Phillips, Cirroc Lofton, Denise Crosby, Catherine Hicks, Paul Lynch, Don Stark, Sally Kellerman, Ronald B. Moore, Jim Metzler, Eric Pierpoint and Grace Lee Whitney.

The Las Vegas Star Trek Convention takes place July 31 – August 3 at the Las Vegas Rio All-Suite Hotel and Casino.

To purchase tickets, visit Creation Entertainment.