Trailer
Images
 | Michael Biehn as Anthony Fraser |
 | Alex McArthur as Charlie Reece |
 | Nicholas Campbell as Albert Morse |
 | Deborah Van Valkenburgh as Kate Fraser |
 | John Harkins as Dr. Keddie |
 | Art LaFleur as Mel Sanderson |
 | Billy Green Bush as Judge McKinsey |
 | Royce D. Applegate as Gene Tippetts |
 | Grace Zabriskie as Naomi Reece |
 | Carlos Palomino as Nestode |
 | Donald Hotton as Dr. Leon Gables |
 | Andy Romano as Spencer Whalen |
 | Patrick Cronin as Harry Bellenger |
 | Roger Nolan as Dr. Roy Blair |
 | Roy London as Dr. Paul Rudin |
| Rosalyn Marshall as Sally Ann |
 | Whit Hertford as Andrew Tippetts |
 | David A. Kimball as Doctor in Flashbacks |
| Brenda Lilly as Eileen Tippetts |
 | Joseph Whipp as Dr. George Mahon |
| Chip Heller as Guard #1 |
| Rodney Cornelius as Guard #2 |
 | Dave Alan Johnson as Del Cameron |
| Roger Broyles as Joe Kaufman |
| Edith Fields as Rose Gurgin |
| Neal Hahn as Mr. Hendrickson |
| Gale Beeman as Mrs. Hendrickson |
| Marni Webb as Mrs. Ellis |
| Paul Gaddoni as Aaron Tippetts |
| Bernard Zanck as Priest |
| Noreen Farley as Waitress |
| Peter McKernan Jr. as Co-Pilot |
| Directing | |
| William Friedkin | Director |
Writing | |
| William P. Wood | Writer |
| William Friedkin | Writer |
Sound | |
| Ennio Morricone | Original Music Composer |
Production | |
| William Friedkin | Producer |
| David Salven | Producer |
Camera | |
| Robert D. Yeoman | Director of Photography |
Editing | |
| Jere Huggins | Editor |
Production | |
| Rick Montgomery | Casting |
Art | |
| Buddy Cone | Production Design |
| Carol Clements | Art Direction |
| Nancy Nye | Set Decoration |
Costume & Make-Up | |
| Teresa M. Austin | Makeup Artist |
Production | |
| David Salven | Production Manager |
Visual Effects | |
| Pablo Ferro | Visual Effects |
Crew | |
| Bobby Bass | Stunts |
