While the crew searches for a missing spacecraft on the planet Minos, site of a lost civilization, Picard and Crusher (Gates McFadden) disappear. Riker: Jonathan Frakes. Data: Brent Spiner. Yar: Denise Crosby. La Forge: LeVar Burton. The Peddler: Vincent Schiavelli. Logan: Vyto Ruginis. Lian T'Su: Julia Nickson.