Frank Langella (Richard Nixon), Michael Sheen (David Frost), Sam Rockwell (James Reston, Jr.), Kevin Bacon (Jack Brennan), Matthew MacFadyen (John Birt), Oliver Platt (Bob Zelnick), Rebecca Hall (Caroline Cushing), Toby Jones (Swifty Lazar), Andy Milder (Frank Gannon), Clint Howard (Lloyd Davis), Patty Mccormack (Pat Nixon), Geoffrey Blake (Interview Director), Jim Meskimen (Ray Price), Kate Jennings Grant (Diane Sawyer), Keith MacKechnie (Marv Minoff), Rance Howard (Ollie), Wil Albert (Sammy Cahn), Gabriel Jarret (Ken Khachigian), Eloy Casados (Manolo Sanchez), Jay White (Neil Diamond)