A veteran go-to script doctor in the industry, Steven Zaillian has contributed to screenplays uncredited on a number of projects over the years. They include a rewrite of "Patriot Games" (1992), revisions on "Crimson Tide" (1995), "Twister" (1996), "Primal Fear" (1996), "Amistad" (1997), and "Saving Private Ryan" (1998). He has also done script revision work on "Black Hawk Down" (2001), "Road to Perdition" (2002) and "Body of Lies" (1998). Most recently he was called upon in post-production, to rewrite some scenes for re-shooting for "Salt" (2010).