<Li> Nicolas Cage as Benjamin Franklin Gates: An American treasure hunter and cryptologist . </Li> <Li> Sean Bean as Ian Howe: An entrepreneur and treasure hunter who is a former friend of Benjamin Gates . </Li> <Li> Harvey Keitel as Agent Peter Sadusky: A FBI Special Agent in charge of the theft of the Declaration of Independence . </Li> <Li> Jon Voight as Patrick Henry Gates: A former treasure hunter and the father of Benjamin Gates . </Li>

Who is the fbi agent in national treasure