Claim: Ronin was written by David Marmet.
Evidence: Ronin is a 1998 American spy action-thriller film directed by John Frankenheimer , starring Robert De Niro , Jean Reno , Natascha McElhone , Stellan Skarsgård , Sean Bean , and Jonathan Pryce , and written by David Mamet -LRB- under the pseudonym Richard Weisz -RRB- from a screenplay by first-time writer John David Zeik.