Leonard Nimoy, as actor People & Technology

Leonard Nimoy (March 26, 1931 – February 27, 2015) was an American actor and director best known as Spock in the Star Trek franchise. He played Dr. David Kibner in Invasion of the Body Snatchers (1978), landing the role during the decade-long gap between Star Trek's cancellation and its film revival.

In the wiki

• Leonard Nimoy is his dedicated page for Invasion of the Body Snatchers (1978), covering Kaufman's against-type casting, Kibner's conversion speeches, the "hallucinatory flu" dismissal, and how Nimoy steals every scene by barely raising his voice.
• Cast and Characters (Invasion of the Body Snatchers) describes Kibner's function as the film's false authority figure and includes his "Don't be trapped by old concepts" dialogue.
• Themes and Analysis (Invasion of the Body Snatchers) features Kibner's survival speech and the Elizabeth/Kibner "Or love" exchange — the film's central argument about what the pods are offering.
• The Pod Scream discusses Kibner's scream as the pivot of the middle act — the moment the last trustworthy adult is revealed as a pod.
• Brooke Adams includes the "I hate you" / "Or love" exchange between Elizabeth and Kibner.
• Invasion of the Body Snatchers (1978) lists Nimoy in the main cast.