Captain Kirk and his crew must deal with Mr. Spock's long-lost half-brother who hijacks the Enterprise for an obsessive search for God at the center of the galaxy.
William Shatner
Leonard Nimoy
DeForest Kelley
James Doohan
George Takei
Walter Koenig
Nichelle Nichols
Laurence Luckinbill
David Warner
Charles Cooper
Cynthia Gouw
Todd Bryant
Spice Williams-Crosby
Rex Holman
George Murdock
