Trailer
Images
 | Faye Dunaway as Diana Christensen |
 | William Holden as Max Schumacher |
 | Peter Finch as Howard Beale |
 | Robert Duvall as Frank Hackett |
 | Wesley Addy as Nelson Chaney |
 | Ned Beatty as Arthur Jensen |
 | Arthur Burghardt as Great Ahmed Kahn |
 | Bill Burrows as TV Director |
 | John Carpenter as George Bosch |
 | Jordan Charney as Harry Hunter |
 | Kathy Cronkite as Mary Ann Gifford |
| Ed Crowley as Joe Donnelly |
| Jerome Dempsey as Walter C. Amundsen |
 | Conchata Ferrell as Barbara Schlesinger |
 | Gene Gross as Milton K. Steinman |
 | Stanley Grover as Jack Snowden |
 | Cindy Grover as Caroline Schumacher |
 | Darryl Hickman as Bill Herron |
| Mitchell Jason as Arthur Zangwill |
 | Paul Jenkins as TV Stage Manager |
 | Ken Kercheval as Merrill Grant |
 | Kenneth Kimmins as Associate Producer |
| Lynn Klugman as TV Production Assistant |
| Carolyn Krigbaum as Max's Secretary |
| Zane Lasky as Audio Man |
| Michael Lipton as Tommy Pellegrino |
 | Michael Lombard as Willie Stein |
 | Pirie MacDonald as Herb Thackeray |
| Russ Petranto as TV Associate Director |
| Bernard Pollock as Lou |
 | Roy Poole as Sam Haywood |
 | William Prince as Edward George Ruddy |
 | Sasha von Scherler as Helen Miggs |
 | Lane Smith as Robert McDonough |
 | Ted Sorel as Giannini |
 | Beatrice Straight as Louise Schumacher |
 | Fred Stuthman as Mosaic Figure |
| Cameron Thomas as TV Technical Director |
 | Marlene Warfield as Laureen Hobbs |
| Lydia Wilen as Hunter's Secretary |
 | Lee Richardson as Narrator (voice) |
 | Lance Henriksen as Network Lawyer at Khan's Place (uncredited) |
| Robert P. Cohen as Window Person (uncredited) |
 | Andrew Duncan as Agent (uncredited) |
| Todd Everett as Reporter (uncredited) |
 | John Gabriel as TV Anchor Reporting Beale's Suicide Threat (uncredited) |
 | Raymond Martino as Window Person (uncredited) |
| John Pashley as Cameraman (uncredited) |
 | Michael Tucker as Man at Desk (uncredited) |
| Sound | |
| Elliot Lawrence | Original Music Composer |
Camera | |
| Owen Roizman | Director of Photography |
Editing | |
| Alan Heim | Editor |
Directing | |
| Sidney Lumet | Director |
Production | |
| Howard Gottfried | Producer |
| Juliet Taylor | Casting |
Art | |
| Philip Rosenberg | Production Design |
| Edward Stewart | Set Decoration |
Costume & Make-Up | |
| Susan Germaine | Hairstylist |
| Theoni V. Aldredge | Costume Design |
Directing | |
| Alan Hopkins | First Assistant Director |
| Ralph S. Singleton | Second Assistant Director |
Costume & Make-Up | |
| Lee Harman | Makeup Artist |
| Philip Leto | Hairstylist |
Lighting | |
| Norman Leigh | Gaffer |
Sound | |
| James Sabat | Sound Mixer |
| Jack Fitzstephens | Sound Editor |
| Marc Laub | Sound Editor |
| Sanford Rackow | Sound Editor |
Costume & Make-Up | |
| George Newman | Costumer |
| Marilyn Putnam | Costumer |
| John Alese | Makeup Artist |
Production | |
| Fred C. Caruso | Associate Producer |
Costume & Make-Up | |
| Barbie Palmer | Daily Makeup & Hair |
Directing | |
| Peter R. Scoppa | First Assistant Director |
Crew | |
| Eugene Powell | Scenic Artist |
Art | |
| William F. Reynolds | Set Dresser |
| Walter Way | Construction Grip |
Crew | |
| Jules Wollock | Carpenter |
Sound | |
| Dick Vorisek | Sound Re-Recording Mixer |
| Mel Zelniker | ADR Recordist |
| Louis Cerborino | Assistant Sound Editor |
Camera | |
| Michael Ginsburg | Still Photographer |
| Kenneth Goss | Key Grip |
| Gary Muller | Second Assistant Camera |
| Tom Prate | Grip |
| Tom Priestley Jr. | Assistant Camera |
| Fred Schuler | Camera Operator |
Editing | |
| Michael Jacobi | Assistant Editor |
Production | |
| John H. Starke | Location Coordinator |
Sound | |
| Elliot Lawrence | Conductor |
Directing | |
| Kay Chapin | Script Supervisor |
Crew | |
| James Giblin | Transportation Captain |
Editing | |
| Don Dittmar | Color Timer |
Production | |
| Susan B. Landau | Production Assistant |
Art | |
| Conrad 'Connie' F. Brink | Property Master |
Production | |
| Howard Newman | Publicist |
Art | |
| Stephen Frankfurt | Title Designer |
Writing | |
| Paddy Chayefsky | Writer |
