Cast of Star Trek II: The Wrath of Khan

William Shatner plays Admiral James T. Kirk, the confident and experienced captain of the starship USS Enterprise.

Leonard Nimoy embodies the logical and wise Vulcan, Captain Spock, who serves as the first officer aboard the Enterprise.

DeForest Kelley portrays Dr. Leonard McCoy, the compassionate and skeptical chief medical officer of the Enterprise.

James Doohan brings to life the skilled engineer Montgomery Scott, known as Scotty, responsible for keeping the ship running smoothly.

Walter Koenig plays the resourceful Cmdr. Pavel Chekov, the navigator of the Enterprise.

George Takei portrays Cmdr. Hikaru Sulu, the helmsman of the Enterprise known for his piloting skills and leadership.

Nichelle Nichols portrays Cmdr. Uhura, the communications officer of the Enterprise who maintains contact with other ships and planets.

Bibi Besch appears as Dr. Carol Marcus, a brilliant scientist and love interest of Admiral Kirk, who is involved in a top-secret research project.

Merritt Butrick plays Dr. David Marcus, the son of Dr. Carol Marcus and Admiral Kirk, who has a complex relationship with his father.

Paul Winfield portrays Captain Clark Terrell, a Starfleet officer who encounters the dangerous Khan Noonien Singh.

Kirstie Alley takes on the role of Lt. Saavik, a young and ambitious Vulcan Starfleet officer who faces challenges under Captain Spock's mentorship.

Ricardo Montalban plays the memorable antagonist Khan Noonien Singh, a genetically-engineered superhuman seeking revenge against Admiral Kirk.