* BeamMeUpScotty: An unusual instance. While Heston does actually yell "Soylent Green is people!" during the film's climax, most people get the context wrong and believe that he screams it while running down the street and fleeing from the police. In actual fact he says it ''to'' the police, in the middle of a cathedral that has been converted into a homeless shelter, while being carried away on a stretcher. The "running down the street" scenario was actually from a ''Series/SaturdayNightLive'' parody of the film. They may also be getting it confused with the ending of ''Film/InvasionOfTheBodySnatchers''.
* {{Defictionalization}}: You can actually find Soylent Green crackers out there, though it's not really made of people. (Or so we hope...)
* EnforcedMethodActing: Heston during Sol's "going home". (Robinson had privately told Heston that he was actually dying of cancer. This was Edward G. Robinson's last film; he died (of cancer, of course) soon after it was made.)
* HeyItsThatGuy
** [[Series/StarTrekTheOriginalSeries T'Pau]] as the Exchange Leader
** Dick Van Patten of ''Series/EightIsEnough'' as an [[spoiler:assisted suicide attendant]]
** You could say [[Film/TheTenCommandments Moses and Dathan]] are together again.
** [[Film/StarTrekIVTheVoyageHome Admiral]] [[Film/StarTrekVITheUndiscoveredCountry Cartwright]] is a police captain. Or is it [[Series/StarTrekDeepSpaceNine Joe Sisko?]]
* RealitySubtext: Edward G. Robinson was really dying from cancer during filming. Thorn's tears are Charlton Heston's real tears during the assisted suicide scene.
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