▁sc ream ing ▁scene ▁in ▁The ▁Mot ion ▁Picture . ▁ ▁Nich elle ▁Nich ols ▁as ▁U h ura , ▁the ▁Enter pr ises ▁communic ations ▁officer . ▁Nich ols ▁and ▁Gene ▁Rod den berry ▁took ▁issue ▁with ▁elements ▁of ▁the ▁film , ▁including ▁the ▁naval ▁references ▁and ▁militar istic ▁uniform s . ▁Nich ols ▁also ▁def ended ▁Rod den berry ▁when ▁the ▁produ cers ▁believed ▁he ▁was ▁the ▁source ▁of ▁script ▁le aks . ▁ ▁Bib i ▁Besch ▁as ▁Carol ▁Marcus , ▁the ▁lead ▁scient ist ▁working ▁on ▁Project ▁Gen esis , ▁and ▁the ▁mother ▁of ▁Kirk ' s ▁son . ▁Meyer ▁was ▁looking ▁for ▁an ▁actress ▁who ▁looked ▁beautiful ▁enough ▁that ▁it ▁was ▁pla us ible ▁a ▁woman izer ▁such ▁as ▁Kirk ▁would ▁fall ▁for ▁her , ▁yet ▁who ▁could ▁also ▁project ▁a ▁sense ▁of ▁intelligence . ▁ ▁Mer ritt ▁But rick ▁as ▁David ▁Marcus , ▁a ▁Project ▁Gen esis ▁scient ist ▁and ▁Kirk ' s ▁son . ▁Meyer ▁liked ▁that ▁But rick ' s ▁hair ▁was ▁bl ond ▁like ▁Besch ' s ▁and ▁cur ly ▁like ▁Sh at ner ' s , ▁making ▁him ▁a ▁pla us ible ▁son ▁of ▁the ▁two . ▁ ▁Paul ▁Win field ▁as ▁Clark ▁Ter rell , ▁the ▁captain ▁of ▁the ▁R eli ant . ▁Meyer ▁had ▁seen ▁Win field ' s ▁work ▁in ▁films ▁such ▁as ▁Sound er ▁and ▁thought ▁highly ▁of ▁him ; ▁there ▁was ▁no ▁reason ▁for ▁casting ▁him ▁as ▁the ▁R eli ants ▁captain ▁other ▁than ▁Meyer ' s ▁desire ▁to