| Dustin Hoffman (Carl Bernstein) |
| Robert Redford (Bob Woodward) |
| Jack Warden (Harry Rosenfeld) |
| Martin Balsam (Howard Simons) |
| Hal Holbrook (Deep Throat) |
| Jason Robards (Ben Bradlee) |
| Jane Alexander (La comptable) |
| Ned Beatty (Dardis) |
| Meredith Baxter (Debbie Sloan) |
| Stephen Collins (Hugh Sloan Jr) |
| Penny Fuller (Sally Aiken) |
| John McMartin (Le chef su service politique étrangère) |
| Robert Walden (Donald Segretti) |
| David Arkin (Bachinsky) |
| Henri Calvert (Barker) |
| Dominic Chianese (Martinez) |
| F. Murray Abraham |