 | Anthony Hopkins | | Richard M. Nixon |
| Joan Allen | | Pat Nixon |
| Powers Boothe | | Alexander Haig |
| Ed Harris | | E. Howard Hunt |
| Bob Hoskins | | J. Edgar Hoover |
| E.G. Marshall | | John Mitchell |
| David Paymer | | Ron Ziegler |
| David Hyde Pierce | | John Dean |
| Paul Sorvino | | Henry Kissinger |
| Mary Steenburgen | | Hannah Nixon |
| J.T. Walsh | | John Ehrlichman |
| James Woods | | H.R. Haldeman |
| Brian Bedford | | Clyde Tolson |
| Kevin Dunn | | Charles Colson |
| Fyvush Finkel | | Murray Chotiner |
| Annabeth Gish | | Julie Nixon Eisenhower |
| Tom Bower | | Frank Nixon |
| Tony Goldwyn | | Harold Nixon |
| Larry Hagman | | 'Jack Jones' |
| Edward Herrmann | | Nelson Rockefeller |
| Madeline Kahn | | Martha Mitchell |
| Dan Hedaya | | Trini Cardoza |
| Tony Lo Bianco | | Johnny Roselli |
| Saul Rubinek | | Herb Klein |
| Robert Beltran | | Frank Sturgis, Watergate Burglar |
| John Cunningham | | Bob |
| John Diehl | | Gordon Liddy |
| John C. McGinley | | Earl in Training Film |
| Michael Chiklis | | TV Director |
| David Barry Gray | | Richard Nixon, 19 Years Old |
| Joanna Going | | Young Student |
| George Plimpton | | President's Lawyer |
| Lenny Vullo | | Bernard Barker, Watergate Burglar |
| Corey Carrier | | Richard Nixon, 12 Years Old |
| Ronald von Klaussen | | James McCord, Watergate Burglar |
| John Bedford Lloyd | | Cuban Man |
| Kamar de los Reyes | | Eugenio Martinez, Watergate Burglar |
| Enrique Castillo | | Virgilio Gonzales, Watergate Burglar |
| James Pickens Jr. | | Black Orator |
| Victor Rivers | | Cuban Plumber |
