Cast of Star Trek: The Motion Picture

William Shatner portrays Admiral James T. Kirk, the confident and daring captain of the starship Enterprise.

Leonard Nimoy brings to life Mr. Spock, the logical and half-human, half-Vulcan science officer on the Enterprise.

DeForest Kelley plays Dr. Leonard McCoy, the ship's compassionate and skeptical chief medical officer.

James Doohan is Montgomery Scott, the skilled and resourceful chief engineer of the Enterprise.

George Takei portrays Lt. Cmdr. Hikaru Sulu, the capable and dependable helmsman of the Enterprise.

Walter Koenig plays Lt. Pavel Chekov, the enthusiastic and optimistic navigator on the Enterprise.

Nichelle Nichols is Lt. Cmdr. Uhura, the talented and pioneering communications officer on the Enterprise.

Stephen Collins is Captain William Decker, the ambitious and experienced captain who initially commands the Enterprise.

Persis Khambatta portrays Lieutenant Ilia / The Probe, a mysterious and enigmatic entity encountered by the Enterprise crew.

Majel Barrett plays Dr. Christine Chapel, the intelligent and dedicated head nurse aboard the Enterprise.

Grace Lee Whitney is CPO Janice Rand, the competent and resilient yeoman serving on the Enterprise.

Mark Lenard portrays the Klingon Captain, a formidable and cunning commander of a Klingon vessel.