An American doctor encounters members of a voodoo cult when she is summoned to Jamaica to treat a wealthy man's brother.
Unfortunately the movie Ritual is not yet available on HBO Max.
| Directing | Avi Nesher | Director |
| Production | Robert Zemeckis | Producer |
| Production | Walter Hill | Producer |
| Writing | Rob Cohen | Screenplay |
| Production | Richard Donner | Producer |
| Writing | Steven Squillante | Creative Producer |
| Writing | Inez Wallace | Original Story |
| Production | Joel Silver | Executive Producer |
| Editing | Robert A. Ferretti | Editor |
| Crew | David A. Armstrong | Cinematography |
| Writing | Avi Nesher | Writer |
| Production | Kevin Bocarde | Line Producer |
| Editing | Michael Schweitzer | Editor |
| Production | Ted Hartley | Producer |
| Crew | Douglas Milsome | Cinematography |
| Production | Kyle A. Clark | Line Producer |
| Production | Ron Gell | Co-Executive Producer |
| Production | Avi Nesher | Supervising Producer |
| Production | Doris Schwartz | Associate Producer |
| Production | David Giler | Producer |
| Production | Matthew Binns | Line Producer |
| Production | Michael A. Helfant | Executive Producer |
| Production | Liesl Copland | Associate Producer |
| Production | Bob Weinstein | Executive Producer |
| Production | Kathy Jordan | Co-Producer |
| Sound | Shirley Walker | Music |
| Production | H. Daniel Gross | Co-Executive Producer |
