1.21 Symbiosis (Star Trek: The Next Generation)

Cast

 * Patrick Stewart as Jean-Luc Picard
 * Jonathan Frakes as William T. Riker
 * LeVar Burton as Geordi La Forge
 * Denise Crosby as Tasha Yar
 * Michael Dorn as Worf
 * Gates McFadden as Dr. Beverly Crusher
 * Marina Sirtis as Deanna Troi
 * Brent Spiner as Data
 * Wil Wheaton as Wesley Crusher
 * John de Lancie as Q
 * Michael Bell as Zorn
 * DeForest Kelley as Leonard McCoy
 * Colm Meaney as Battle Bridge Conn
 * Cary-Hiroyuki Tagawa as Mandarin Bailiff
 * Timothy Dang as Main Bridge Security
 * David Erskine as Bandi Shopkeeper
 * Evelyn Guerrero as Young Female Ensign
 * Chuck Hicks as Military Officer
 * Jimmy Ortega as Torres
 * James G. Becker as Youngblood
 * Darrell Burris as Operations Division Officer
 * Dexter Clay as Security Chief
 * Jeffrey Deacon as Command Division Officer
 * Susan Duchow as Operations Division Officer
 * Joe Gieb as Post-Atomic Horror Bell Ringer
 * Nora Leonhardt as Science Division Ensign
 * David B. Levinson as Post-Atomic Horror Trial Spectator
 * Tim McCormack as Ensign Bennett
 * Lorine Mendell as Diana Giddings
 * Brad Phillips as Longo
 * Andrew Probert as Post-Atomic Horror Trial Spectator
 * Richard Sarstedt as Command Division Officer
 * Martin Valinsky as 21st Century Soldier