 | Steve McQueen als Dr. Thomas Stockmann |
 | Charles Durning als Peter Stockmann |
 | Bibi Andersson als Catherine Stockmann |
 | Eric Christmas als Morten Kiil |
 | Michael Cristofer als Hovstad |
 | Richard Dysart als Aslaksen |
 | Michael Higgins als Billing |
 | Richard Bradford als Captain Forster |
| Ham Larsen als Morten Stockmann |
| John Levin als Ejlif Stockmann |
| Robin Pearson Rose als Petra Stockmann |
| Louise Hoven als Randine |
| Glenn Ransom |
| Leon Charles |
| Harry Frazier |
 | Russ Marin |
 | Delos V. Smith Jr. |
| Gregory Bell |
| Walter Stroud |
| Robert Clement |
| Thor Nielsen |
 | Seamon Glass |
 | John Voldstad |
| Kenneth White |
| Gene Ruymen |
 | Michael Greene |
| Zachary Lewis |
| Kay E. Kuter |
| Bart Williams |
| Michael Vandever |
| Kenneth W. Tanner |
| Stan Stratton |
 | Joseph G. Medalis |
 | Jim Begg |
 | Lillian Adams |
 | Luce Rains |
| Jack Carol |
| Darel Glaser |
| Teddy Blue |
| Marc de Vries |
| Miriam Hendry |
| Mike Fenton | Casting |
| Arthur Miller | Adaptation |
| George Schaefer | Director |
| Alexander Jacobs | Screenplay |
| Thomas Gark | Property Master |
| Gladys Witten | Hairstylist |
| William L. McCaughey | Sound Re-Recording Mixer |
| Edmond L. Koons | Camera Operator |
| Jane Feinberg | Casting |
| Eugène Lourié | Production Design |
| Art Sarno | Unit Publicist |
| Ed Ledding | Second Assistant Director |
| Don Record | Title Designer |
| Leonard Rosenman | Original Music Composer |
| Aaron Rochin | Sound Re-Recording Mixer |
| Thomas Tuttle | Makeup Artist |
| Paul Lohmann | Director of Photography |
| Noel Taylor | Costume Design |
| Thomas Prophet Jr. | Key Grip |
| William Doane | Special Effects |
| Edwin Gregory | Construction Coordinator |
| Sheldon Kahn | Editor |
| Keith Stafford | Sound Effects Editor |
| Dorothy Aldrin | Script Supervisor |
| George Brand | Music Editor |
| Barbara Persons | Production Accountant |
| Steve McQueen | Executive Producer |
| Gordon A. Webb | Unit Production Manager |
| Jack Aldworth | Assistant Director |
| Philip L. Parslow | Associate Producer |
| Anthony Mondell | Set Decoration |
| Michael J. Kohut | Sound Re-Recording Mixer |
| Mel Traxel | Still Photographer |
| George Schaefer | Producer |
| Ron Frantzvog | Assistant Camera |
| Wayne Reed | Costumer |
| Henrik Ibsen | Author |
| Loren Janes | Stunt Double |
