A young woman is invited by her girlfriend, who lives in an English country mansion, to stay there with her. The estate, however, isn't quite what it seems--and neither is the friend who issued the invitation.
Unfortunately the movie Symptoms is not yet available on HBO Max.
| Sound | Graham V. Hartstone | Sound Re-Recording Mixer |
| Directing | José Ramón Larraz | Director |
| Costume & Make-Up | Bobbie Smith | Hairstylist |
| Art | Chris Cook | Assistant Art Director |
| Production | Jean L. Dupuis | Producer |
| Sound | David Campling | ADR & Dubbing |
| Camera | Alan Boast | Camera Operator |
| Camera | Trevor Wrenn | Director of Photography |
| Costume & Make-Up | Bunty Phillips | Makeup Artist |
| Writing | José Ramón Larraz | Screenplay |
| Sound | Trevor Carless | Sound |
| Art | Ken Bridgeman | Art Direction |
| Sound | Ken Barker | Sound |
| Writing | Stanley Miller | Screenplay |
| Editing | Brian Smedley-Aston | Editor |
| Sound | John Scott | Original Music Composer |
| Sound | Barry McCormick | ADR & Dubbing |
| Writing | Thomas Owen | Story |