Kirstie Alley as Lt. Saavik.

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Kirstie Alley took on the role of Lt. Saavik in Star Trek II: The Wrath of Khan. This movie had been credited as the best film in the Star Trek Universe where a ton of classic moments took place. Kirstie Alley did not continue her role but was succeeded by a new actress in the next movies. Following the 1982 film, she starred in Cheers and other hit movies.