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 (Bookkeeper) more..., Meredith Baxter (Debbie Sloan), Ned Beatty (Dardis), Stephen Collins (Hugh Sloan), Penny Fuller (Sally Aiken), John McMartin (Foreign Editor), Robert Walden (Donald Segretti), Frank Wills (Frank Wills), F. Murray Abraham (Arresting Officer #1), David Arkin (Eugene Bachinski), Henry Calvert (Bernard L. Barker), Dominic Chianese (Eugenio R. Martinez), Bryan Clark (Arguing Attorney), Nicolas Coster (Markham), Lindsay Crouse (Kay Eddy), Valerie Curtin (Miss Milland), Gene Dynarski (Court Clerk), Nate Esformes (Virgilio R. Gonzales), Ron Hale (Frank Sturgis), Richard Herd (James W. McCord, Jr.), Polly Holliday (Dardis' Secretary), James Karen (Hugh Sloan's Lawyer), Paul Lambert (National Editor), Frank Latimore (Judge), Gene Lindsey (Alfred D. Baldwin), Anthony Mannino (Arresting Officer #2), Allyn Ann McLerie (Carolyn Abbott), James Murtaugh (Congress Library Clerk), John O'Leary (Attorney #1), Jess Osuna (Joe, FBI Agent), Neva Patterson (CRP Woman), George Pentecost (George), Penny Peyser (Sharon Lyons), Joshua Shelley (Al Lewis) and others.

William Goldman (Screenplay), Gordon Willis (Director of Photography), George Jenkins (Production Design), David Shire (Original Music Composer), Walter Coblenz (Producer), Robert L. Wolfe (Editor), Alan Shayne (Casting) more..., George Gaines (Set Decoration), Dan Perri (Title Designer), Rick Alexander (Sound Re-Recording Mixer), Bernie Pollack (Costume Supervisor), Ralph Gerling (Camera Operator), Steve Potter (Assistant Editor), Fern Buchner (Makeup Artist), Romaine Greene (Hairdresser), Mike Higelmire (Leadman), Carl Bernstein (Book), Bob Woodward (Book), Jon Boorstin (Associate Producer), Michael Britton (Associate Producer), Carroll Timothy O'Meara (Assistant Editor), Henry Millar (Special Effects), Art Levinson (First Assistant Director), Lynda Gurasich (Hairdresser), Don L. Cash (Makeup Artist), Alan Levine (Property Master), Bob Rose (Key Grip), Robert I. Jillson (Assistant Art Director), Milton C. Burrow (Supervising Sound Editor), Gary Liddiard (Key Makeup Artist), Les Fresholtz (Sound Re-Recording Mixer), Ray De La Motte (First Assistant Camera), Bill MacSems (Property Master), Roger Irvin (Construction Foreman), George Holmes (Gaffer), Karen Hale Wookey (Script Supervisor), Kim Kurumada (Second Assistant Director), James E. Webb (Sound Mixer), Larry D. Howard (Best Boy Electric), Matty Azzarone (Assistant Property Master) and others.