Psychiater Martin Dysart onderzoekt de wrede aftuiging van 6 paarden, waarbij gebruik werd gemaakt van spijkers. De misdaad lijkt gepleegd te zijn door de 17-jarige Alan Strang, de enige zoon van een zeer religieuze moeder. Al snel blijkt de jongen bezeten te zijn door demonen, maar de waarheid leidt naar zichzelf.
Nee, helaas is Equus nog niet beschikbaar op Netflix in Nederland.
| Directing | Sidney Lumet | Director |
| Art | Tony Walton | Production Design |
| Costume & Make-Up | Tony Walton | Costume Design |
| Sound | Angela Morley | Conductor |
| Production | Colin M. Brewer | Production Supervisor |
| Directing | David Tringham | Assistant Director |
| Camera | Matt Tundo | Camera Operator |
| Sound | James Sabat | Sound Mixer |
| Sound | Dick Vorisek | Sound Re-Recording Mixer |
| Sound | Jack Fitzstephens | Sound Editor |
| Sound | Sanford Rackow | Sound Editor |
| Editing | Harvey Rosenstock | Assistant Editor |
| Editing | Peter Shatalow | Assistant Editor |
| Art | Simon Holland | Art Direction |
| Art | Carol Spier | Assistant Art Director |
| Art | Ninkey Adamson | Assistant Art Director |
| Crew | Guenter Bartlik | Scenic Artist |
| Art | Gerry Holmes | Set Dresser |
| Art | Jack Carter | Construction Coordinator |
| Camera | Maurice Arnold | Focus Puller |
| Costume & Make-Up | Ron Berkeley | Makeup Artist |
| Costume & Make-Up | Ken Brooke | Makeup Artist |
| Costume & Make-Up | James Keeler | Hairdresser |
| Costume & Make-Up | Brenda Dabbs | Wardrobe Supervisor |
| Costume & Make-Up | Patti Unger | Wardrobe Master |
| Production | Rose Tobias Shaw | Casting |
| Production | Clare Walker | Casting |
| Crew | Kit West | Special Effects |
| Art | Dave Jordan | Property Master |
| Lighting | John Tythe | Electrician |
| Lighting | Chris Holmes | Gaffer |
| Camera | Ron Gillham | Key Grip |
| Camera | Dennis Fraser | Best Boy Grip |
| Production | Arthur Carroll | Production Accountant |
| Writing | Peter Shaffer | Writer |
| Production | Denis Holt | Associate Producer |
| Production | Elliott Kastner | Producer |
| Production | Lester Persky | Producer |
| Camera | Oswald Morris | Director of Photography |
| Editing | John Victor-Smith | Editor |
| Sound | Richard Rodney Bennett | Original Music Composer |
