Science Fiction / Action / Adventure / Thriller /

Score: 65.7%( 1414 votes )

Overview: A surprise visit from Spock's father provides a startling revelation: McCoy is harboring Spock's living essence.

Cast:

William Shatner
Admiral James T. Kirk

DeForest Kelley
Dr. Leonard 'Bones' McCoy

James Doohan
Captain Montgomery 'Scotty' Scott

George Takei
Cmdr. Hikaru Sulu

Walter Koenig
Cmdr. Pavel Chekov

Nichelle Nichols
Cmdr. Uhura

Christopher Lloyd
Cmdr. Kruge

Robin Curtis
Lt. Saavik

Mark Lenard
Ambassador Sarek

Merritt Butrick
Dr. David Marcus

Judith Anderson
Vulcan High Priestess

James B. Sikking
Captain Styles

Phillip R. Allen
Capt. Esteban

Robert Hooks
Admiral Morrow

John Larroquette
Maltz

Carl Steven
Spock...Age 9

Vadia Potenza
Spock...Age 13

Stephen Manley
Spock...Age 17

Joe W. Davis
Spock at age 25

Leonard Nimoy
Captain Spock / Elevator Voice

Miguel Ferrer
First Officer

Branscombe Richmond
Klingon Gunner #2

Frank Welker
Spock's Screams

Scott McGinnis
Starfleet Cadet "Mr. Adventure"

Phil Morris
Trainee Foster

Jeanne Mori
Helm Officer

Grace Lee Whitney
Commander Janice Rand (Woman in Cafeteria)

Nanci Rogers
Bar Waitress (uncredited)

Paul Sorensen
Captain

Danny Rogers
Merchantman First Officer (uncredited)