The sixth and last in the series to feature the full original cast, directed by Nicholas Meyer and starring William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan, Walter Koenig, Nichelle Nichols, George Takei, Kim Cattrall, Mark Lenard, Grace Lee Whitney, Brock Peters, Leon Russom,
Kurtwood Smith, Christopher Plummer, Rosanna DeSoto, David Warner, John Schuck, Michael Dorn, Paul Rossilli,
William Morgan Sheppard,
Brett Porter, Michael Snyder, Iman, Jeremy Roberts, Robert Easton, Clifford Shegog,
Boris Lee Krutonog, Tom Morga, Todd Bryant, John Bloom, Darryl Henriques, Douglas Dunning, Trent Christopher Ganino, Alan Marcus, Douglas Price, Eric A. Stillwell,
J.D. Walters and cameos by Christian Slater and Rene Auberjonois, released in 1991, followed by a sequel.