Fourth in the series, directed by Leonard Nimoy and starring William Shatner, Leonard Nimoy, DeForest Kelley, James Doohan, George Takei, Walter Koenig, Nichelle Nichols, Jane Wyatt, Catherine Hicks, Mark Lenard, Robin Curtis, Robert Ellenstein, John Schuck, Brock Peters, Michael Berryman, Grace Lee Whitney, Majel Barrett, Joe Lando, Alex Henteloff, Jeff Lester,
Michael Snyder, Mike Brislane, Vijay Amritraj, Scott DeVenney,
Richard Harder, Mike Timoney,
Joseph Adamson, Monique DeSart, Stephen Liska, Madge Sinclair and cameos by Kirk R. Thatcher and Jane Wiedlin,
released in 1986, followed by a sequel.
