National Treasure Cast

Nicolas Cage - Ben Gates
Diane Kruger - Abigail Chase
Justin Bartha - Riley Poole
Sean Bean - Ian Howe
Jon Voight - Patrick Gates
Harvey Keitel - Sadusky
Christopher Plummer - John Adams Gates
David Dayan Fisher - Shaw
Stewart Finlay-McLennan - Powell
Oleg Taktarov - Shippen
Stephen A. Pope - Phil (as Stephen Pope)
Annie Parisse - Agent Dawes
Mark Pellegrino - Agent Johnson
Armando Riesco - Agent Hendricks
Erik King - Agent Colfax
Don McManus - Dr. Stan Herbert
Ron Canada - Guard Woodruff
Hunter Gomez - Young Ben Gates
Deborah Yates - Rebecca
Arabella Field - Abigail's Secretary
Sharon Wilkins - Butcher Lady
Alexandra Balahoutis - Clothing Store Clerk
Dior Raye - Gift Store Clerk
Yves Michel-Beneche - Museum Kid
Jason Earles - Thomas Gates
Terrence Currier - Charles Carroll
Rod McLachlan - Independence Hall Guide
Elizabeth Greenberg - Liberty Bell Guide
Jody Halse - Franklin Institute Guard
Liam Noble - Franklin Institute Security
Joshua Biton - Technician
Fern D. Baguidy Jr. - Gala Guard
Michael Russo - Popcorn Vendor (as Mike Russo)
Thomas Q. Morris - Janitor
Antony Alda - Guard Ferguson
John Travis - Guard Mike
rest of cast listed alphabetically:
Neal Orion - Revolutionary Soldier
Nick Benson - Boy (uncredited)
Gavin Black - Cafe Patron (uncredited)
Jackson Bolt - Colonial Scout (uncredited)
Brooke Bonder - Philadelphia Shopper (uncredited)
Louis Centanni - Student (uncredited)
Chrismandu - Street Vendor (uncredited)
Kym Cohen - Shopper (uncredited)
Blaze Kelly Coyle - Tourist (uncredited)
Daniel Ferro - Brazillian Tourist (uncredited)
Roland Gomez - Guest at security gate (uncredited)
Cleve Gray - DC Metro Police Officer (uncredited)
Rodney J. Hobbs - Coachman (uncredited)
Yoshi Jenkins - FBI agent (uncredited)
Leslie A. Kronberger - Shopper in Reading Terminal (uncredited)
Jenni Lileikis - Girlfriend in Philadelphia (uncredited)
Tony Luke Jr. - Strip Club sweeper (uncredited)
Christina Mahon - City Hall Tourist (uncredited)
Chris McMullin - Reading Terminal Patron (uncredited)
Jonathon Ruckman - Pissed Off Man on Sidewalk (uncredited)
Tony Sagastizado I - Tourist (uncredited)
Richard Serlen - Businessman (uncredited)
Deborah S. Smith - Senator (uncredited)
Sheila Thomas - Guest At National Archives (uncredited)
Ryan Tygh - Boyfriend (uncredited)