Annette Haven was considered and tested, contributed dialogue and advice, but Griffith’s test was stronger; Haven’s intelligence is contrasted with the role’s need for comic energy.
Linda Hamilton reportedly declined Holly for The Terminator, prompting speculation about swapping the careers and whether Griffith could have played Sarah Connor.
Curtis reportedly declined after Griffith introduced her; Fisher and Tatum O’Neal are less certain possibilities. Fisher’s cynical intelligence might fit Holly and break her Star Wars image.
Sylvia Kristel was reportedly wanted for Gloria but unavailable; discussion of her drinking problems raises doubt about the fit.