Claim: Robert Redford acts.

All the President 's Men is a 1976 American political thriller film directed by Alan J. Pakula . The screenplay by William Goldman is based on the 1974 non-fiction book of the same name by Carl Bernstein and Bob Woodward , the two journalists investigating the Watergate scandal for The Washington Post . The film stars Robert Redford and Dustin Hoffman as Woodward and Bernstein , respectively ; it was produced by Walter Coblenz for Redford 's Wildwood Enterprises .   All the President 's Men is the third installment of what informally came to be known as Pakula 's `` paranoia trilogy '' . The other two films in the trilogy are Klute -LRB- 1971 -RRB- and The Parallax View -LRB- 1974 -RRB- .   In 2010 , the film was selected for preservation in the United States National Film Registry by the Library of Congress as being `` culturally , historically , or aesthetically significant '' .