Robert Redford (Bob Woodward), Dustin Hoffman (Carl Bernstein), Jack Warden (Harry M. Rosenfeld), Martin Balsam (Howard Simons), Hal Holbrook (Deep Throat), Jason Robards (Ben Bradlee), Jane Alexander (Judy Hoback) more..., Meredith Baxter (Debbie Sloan), Ned Beatty (Martin Dardis), Stephen Collins (Hugh W. Sloan, Jr.), Penny Fuller (Sally Aiken), Penny Peyser (Sharon Lyons), Lindsay Crouse (Kay Eddy), Robert Walden (Donald H. Segretti), F. Murray Abraham (Arresting Officer #1), Anthony Mannino (Arresting Officer #2), David Arkin (Eugene Bachinski), Richard Herd (James W. McCord, Jr.), Dominic Chianese (Eugenio R. Martinez), Ron Hale (Frank Sturgis), Nicolas Coster (Markham), John McMartin (Scott), Frank Latimore (Judge), Neva Patterson (CRP Woman), Nate Esformes (Virgilio R. Gonzales), Joshua Shelley (Al Lewis), Gene Lindsey (Alfred D. Baldwin), Polly Holliday (Dardis' secretary), James Karen (Hugh Sloan's attorney), Basil Hoffman (Assistant Metro Editor), Stanley Bennett Clay (Assistant Metro Editor), Paul Lambert (National Editor), Richard Venture (Assistant Metro Editor), John Furlong (News Desk Editor), Valerie Curtin (Miss Milland), Jess Osuna (Joe), Allyn Ann McLerie (Carolyn Abbott), Christopher Murray (Photo Aide), Frank Wills (Himself), Bryan Clark (Arguing Attorney) 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.