Check out a video of what could have been…
His most recent contribution to the online community is a video of a practical FX test for Francis Lawrence’s 2007 film I Am Legend.
When Lawrence could not get the performances he wanted out of his assortment of actors playing the film’s “infected,” the director simply opted for entirely CG creations. Check out what Johnson had in mind – far more effective than the cartoons on display in the Will Smith-starring adaptation, eh?
Source: Steve Johnson FX