While holidaying in Ireland, a pregnant children's author finds her mental state becoming increasingly unstable, resulting in paranoia, hallucinations, and visions of a doppelgänger.
| Directing | Robert Altman | Director |
| Production | Tommy Thompson | Producer |
| Sound | John Williams | Original Music Composer |
| Editing | Graeme Clifford | Editor |
| Crew | Jerry F. Johnson | Special Effects |
| Writing | Susannah York | Novel |
| Costume & Make-Up | Toni Delaney | Makeup Artist |
| Crew | Gerry Johnston | Special Effects |
| Camera | Vilmos Zsigmond | Director of Photography |
| Art | Leon Ericksen | Production Design |
| Production | Al Locatelli | Associate Producer |
| Costume & Make-Up | Barry Richardson | Hairstylist |
| Directing | Seamus Byrne | Assistant Director |
| Sound | Rodney Holland | Sound Editor |
| Sound | Stomu Yamashta | Sound Designer |
| Sound | Liam Saurin | Sound Recordist |
| Sound | Noel Quinn | Boom Operator |
| Camera | Earl Clark | Assistant Camera |
| Lighting | Jack Conroy | Gaffer |
| Camera | Paddy Keogh | Grip |
| Camera | Nico Vermuelen | Assistant Camera |
| Costume & Make-Up | Jack Gallagher | Wardrobe Designer |
| Editing | Robin Buick | Assistant Editor |
| Editing | Michael Kelliher | Assistant Editor |
| Editing | David Spiers | Assistant Editor |
| Sound | John Williams | Conductor |
| Sound | Stomu Yamashta | Musician |
| Sound | John Williams | Orchestrator |
| Directing | Joan Bennett | Continuity |
| Crew | Arthur Dunne | Transportation Captain |
| Production | John Collingwood | Production Accountant |
| Production | Jean D'Oncieu | Producer's Assistant |
| Sound | Doug E. Turner | Sound Re-Recording Mixer |
| Writing | Robert Altman | Screenplay |
| Production | Sheila Collins | Production Manager |
