Paul is a down-on-his-luck screenwriter who picks up a drifter and offers him a place to stay. However, when the deranged stranger takes Paul hostage and forces him to write, their unhinged relationship brings buried secrets to light.
You can now watch Black Butterfly online on the following streaming providers in the United States.
| Directing | Brian Goodman | Director |
| Costume & Make-Up | Massimo Cantini Parrini | Costume Design |
| Production | Gioia Libardoni | Assistant Production Manager |
| Writing | Marc Frydman | Writer |
| Art | Michael Fissneider | Production Design |
| Production | Gerard Barba | Executive Producer |
| Production | Davide Tovi | Line Producer |
| Production | Marc Frydman | Producer |
| Editing | Julia Juaniz | Editor |
| Production | Juan Antonio García Peredo | Producer |
| Production | Scot Boland | Casting |
| Production | Guglielmo Marchetti | Co-Executive Producer |
| Production | Monika Bacardi | Producer |
| Production | Alexandra Klim | Producer |
| Production | Andrea Iervolino | Producer |
| Production | Viki Marras | Co-Producer |
| Art | Amenah M.N.A. Monem | Set Decoration |
| Production | Victoria Burrows | Casting |
| Production | Pierpaolo Di Rosa | Unit Manager |
| Sound | Federico Jusid | Original Music Composer |
| Production | Danielle Maloni | Supervising Producer |
| Production | Silvio Muraglia | Producer |
| Production | Barry Brooker | Producer |
| Production | Alberto Burgueño | Producer |
| Production | Matt Varosky | Associate Producer |
| Directing | Luca John Rosati | Second Assistant Director |
| Art | Massimiliano Paonessa | Set Dresser |
| Crew | Stefano Corridori | Special Effects |
| Production | Stan Wertlieb | Executive Producer |
| Production | Federica Nardelli | Production Coordinator |
| Sound | Alessandro Salvatori | Sound Editor |
| Production | Jason Garrett | Executive Producer |
| Sound | Theo Francocci | Sound Effects Editor |
| Visual Effects | Alex Freitas | Visual Effects |
| Sound | Juan Cortés | Music Programmer |
| Production | Giuseppe Manzi | Unit Production Manager |
| Directing | Jacopo Fournier | Assistant Director |
| Camera | Sascia Ippoliti | Steadicam Operator |
| Crew | De Tommaso Edvige | Unit Publicist |
| Directing | Valentina de Cassan | Third Assistant Director |
| Crew | Mauro Aversano | Stunts |
| Costume & Make-Up | Barbara Pellegrini | Makeup Artist |
| Directing | Roy Bava | First Assistant Director |
| Visual Effects | Jin Ahn | Digital Compositors |
| Sound | Giovanni Marolla | Music Supervisor |
| Directing | Elide Cortesi | Script Supervisor |
| Production | Anthony Mastromauro | Executive Producer |
| Production | Ferdinando Dell'Omo | Executive In Charge Of Production |
| Production | Frank Buchs | Executive In Charge Of Production |
| Visual Effects | Andrea Gil | Visual Effects |
| Crew | Federico Benvenuti | Stunts |
| Lighting | Marco Raimondi | Electrician |
| Crew | Erika Scaramella | Post Production Supervisor |
| Production | David Rogers | Executive Producer |
| Editing | Mark Sult | Editor |
| Art | Massimiliano Paonessa | Leadman |
| Crew | Massimiliano Ubaldi | Stunts |
| Production | Andrea Zoso | Co-Executive Producer |
| Crew | Julian Koberman | Stunts |
| Art | Stefano Morbidelli | Property Master |
| Production | Gaia Casanova | Casting |
| Crew | Harry Finkel | Legal Services |
| Production | Mikael Wiren | Executive Producer |
| Sound | Gustavo Gini | Orchestrator |
| Production | Rod Lurie | Executive Producer |
| Production | Emmanuel Paintendre | Executive Producer |
| Directing | Marco Della Torre | Assistant Director |
| Visual Effects | Peter Nalli | Visual Effects Supervisor |
| Crew | Alessandro Novelli | Stunt Coordinator |
| Camera | Davide Leone | Digital Imaging Technician |
| Camera | Niccolò Brindasso | Second Assistant "B" Camera |
| Camera | José David Montero | Director of Photography |
| Art | Luciano Vittori Jr. | Title Designer |
| Art | Guendalina Barbieri | Assistant Set Decoration |
| Art | Alessandro Morbidelli | Assistant Property Master |
| Art | Stefano Vecchiarelli | Graphic Designer |
| Camera | Romolo Eucalitto | Still Photographer |
| Camera | Fabio Ciotto | First Assistant "B" Camera |
| Camera | Duccio Maccari | First Assistant "A" Camera |
| Camera | Patrizio Del Tosto | Grip |
| Camera | Andrea di Benedetto | Grip |
| Camera | Umberto Bendini | Data Wrangler |
| Crew | Stefano Corridori | Armorer |
| Production | Francesco Colicigno | Location Manager |
| Production | Federico Santangelo | Location Manager |
| Visual Effects | Genesis Rivas | Visual Effects |
| Visual Effects | James Anthony Young | Visual Effects Production Manager |
| Sound | Mario Iaquone | Sound Mixer |
| Sound | Francesco Cucinelli | Sound Re-Recording Mixer |
| Crew | Meghan Armstrong | Post Production Supervisor |
| Crew | Emiliano Novelli | Stunts |
| Crew | Mauro Aversano | Stunt Double |
| Crew | Simone Bonelli | Stunts |
| Crew | Jdanov Andrei | Stunt Double |
| Crew | Massimiliano Ubaldi | Stunt Double |
| Crew | Vittorio Verdirosi | Stunt Double |
| Production | Edoardo Catellani | Production Secretary |
| Camera | Sascia Ippoliti | "A" Camera Operator |
| Camera | José David Montero | "B" Camera Operator |
| Sound | Eduardo Martín | Sound Mixer |
| Sound | Guido Spizzico | Boom Operator |
| Art | Mauro Paradiso | Assistant Production Design |
| Costume & Make-Up | Jessica Zambelli | Costume Supervisor |
| Costume & Make-Up | Jorge Hernández Lobo | Makeup Department Head |
| Costume & Make-Up | Federica Bastreghi | Assistant Makeup Artist |
| Costume & Make-Up | Francesco Pegoretti | Hair Department Head |
| Costume & Make-Up | Anna De Santis | Hairstylist |
| Crew | Renato Agostini | Special Effects Coordinator |
| Editing | Nagore García Alba | Assistant Editor |
| Writing | Justin Stanley | Writer |
