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 |
| Writing | Marc Frydman | Writer |
| Production | Monika Bacardi | Producer |
| Production | Alberto Burgueño | Producer |
| Production | Marc Frydman | Producer |
| Production | Juan Antonio García Peredo | Producer |
| Production | Andrea Iervolino | Producer |
| Production | Alexandra Klim | Producer |
| Production | Silvio Muraglia | Producer |
| Sound | Federico Jusid | Original Music Composer |
| Art | Michael Fissneider | Production Design |
| Art | Amenah M.N.A. Monem | Set Decoration |
| Costume & Make-Up | Massimo Cantini Parrini | Costume Design |
| Editing | Julia Juaniz | Editor |
| Production | Gioia Libardoni | Assistant Production Manager |
| Production | Scot Boland | Casting |
| Production | Victoria Burrows | Casting |
| Production | Guglielmo Marchetti | Co-Executive Producer |
| Production | Viki Marras | Co-Producer |
| Production | Gerard Barba | Executive Producer |
| Production | Davide Tovi | Line Producer |
| Production | Barry Brooker | Producer |
| Production | Danielle Maloni | Supervising Producer |
| Production | Pierpaolo Di Rosa | Unit Manager |
| Production | Jason Garrett | Executive Producer |
| Production | Rod Lurie | Executive Producer |
| Production | Anthony Mastromauro | Executive Producer |
| Production | Emmanuel Paintendre | Executive Producer |
| Production | David Rogers | Executive Producer |
| Production | Matt Varosky | Associate Producer |
| Production | Stan Wertlieb | Executive Producer |
| Production | Mikael Wiren | Executive Producer |
| Production | Andrea Zoso | Co-Executive Producer |
| Editing | Mark Sult | Editor |
| Costume & Make-Up | Barbara Pellegrini | Makeup Artist |
| Production | Frank Buchs | Executive In Charge Of Production |
| Production | Ferdinando Dell'Omo | Executive In Charge Of Production |
| Production | Giuseppe Manzi | Unit Production Manager |
| Production | Federica Nardelli | Production Coordinator |
| Directing | Roy Bava | First Assistant Director |
| Directing | Valentina de Cassan | Third Assistant Director |
| Directing | Jacopo Fournier | Assistant Director |
| Directing | Luca John Rosati | Second Assistant Director |
| Directing | Marco Della Torre | Assistant Director |
| Art | Stefano Morbidelli | Property Master |
| Art | Massimiliano Paonessa | Leadman |
| Art | Massimiliano Paonessa | Set Dresser |
| Sound | Theo Francocci | Sound Effects Editor |
| Sound | Alessandro Salvatori | Sound Editor |
| Crew | Stefano Corridori | Special Effects |
| Visual Effects | Jin Ahn | Digital Compositors |
| Visual Effects | Alex Freitas | Visual Effects |
| Visual Effects | Andrea Gil | Visual Effects |
| Visual Effects | Peter Nalli | Visual Effects Supervisor |
| Crew | Mauro Aversano | Stunts |
| Crew | Federico Benvenuti | Stunts |
| Crew | Julian Koberman | Stunts |
| Crew | Massimiliano Ubaldi | Stunts |
| Camera | Sascia Ippoliti | Steadicam Operator |
| Lighting | Marco Raimondi | Electrician |
| Production | Gaia Casanova | Casting |
| Crew | Erika Scaramella | Post Production Supervisor |
| Sound | Gustavo Gini | Orchestrator |
| Sound | Giovanni Marolla | Music Supervisor |
| Sound | Juan Cortés | Music Programmer |
| Directing | Elide Cortesi | Script Supervisor |
| Crew | De Tommaso Edvige | Unit Publicist |
| Crew | Harry Finkel | Legal Services |
| Crew | Alessandro Novelli | Stunt Coordinator |
| Camera | José David Montero | Director of Photography |
| Art | Guendalina Barbieri | Assistant Set Decoration |
| Art | Alessandro Morbidelli | Assistant Property Master |
| Art | Stefano Vecchiarelli | Graphic Designer |
| Art | Luciano Vittori Jr. | Title Designer |
| Camera | Davide Leone | Digital Imaging Technician |
| Camera | Fabio Ciotto | First Assistant "B" Camera |
| Camera | Niccolò Brindasso | Second Assistant "B" Camera |
| Camera | Romolo Eucalitto | Still Photographer |
| 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 |
