In Italy, a woman fears her sister has been kidnapped; Inspector Enzo Avolfi fears it's worse. They team up to rescue her from a sadistic killer known only as Yellow.
Unfortunately the movie Giallo is not yet available on HBO Max.
| Writing | Sean Keller | Screenplay |
| Production | Richard Rionda Del Castro | Producer |
| Writing | Jim Agnew | Screenplay |
| Directing | Dario Argento | Director |
| Production | Rafael Primorac | Producer |
| Writing | Dario Argento | Screenplay |
| Camera | Frederic Fasano | Director of Photography |
| Costume & Make-Up | Stefania Svizzeretto | Costume Design |
| Production | Morgana Bianco | Casting |
| Sound | Marco Werba | Original Music Composer |
| Costume & Make-Up | Mauro Tamagnini | Hairstylist |
| Production | Alessandra Curti | Location Manager |
| Camera | Slobodan Pikula | Still Photographer |
| Costume & Make-Up | Alfredo Tiberi | Makeup Artist |
| Sound | Hidefumi Aoki | Sound Effects Editor |
| Lighting | Marco Contaldo | Gaffer |
| Art | Leonie Heys-Cerchio | Assistant Art Director |
| Sound | Brad Whitcanack | Sound Designer |
| Sound | Michael J. McDonald | Sound Re-Recording Mixer |
| Art | Andrea Pitet | Assistant Art Director |
| Sound | Michael Woodward | Sound Effects Editor |
| Crew | Marco Corridori | Special Effects |
| Costume & Make-Up | Romina Ronzani | Hairstylist |
| Sound | Alex Ullrich | Foley |
| Camera | Ezio Gamba | Camera Operator |
| Crew | Giuseppe Proia | Property Master |
| Crew | Francesco Petrazzi | Stunt Coordinator |
| Camera | Gianni Aldi | Steadicam Operator |
| Visual Effects | Chris Ervin | Visual Effects |
| Crew | Sergio Stivaletti | Makeup Effects |
| Sound | G.W. Pope III | Sound Designer |
| Directing | Charlotte Fontijn | Script Supervisor |
| Crew | Selene Kapsaski | Production Intern |
| Production | Nesim Hason | Executive Producer |
| Production | Lisa Lambert | Executive Producer |
| Production | John S. Hicks | Associate Producer |
| Production | Adrien Brody | Producer |
| Production | Aitana de Val | Associate Producer |
| Production | Martin McCourt | Executive Producer |
| Production | Luis de Val | Executive Producer |
| Production | Oscar Generale | Executive Producer |
| Production | Billy Dietrich | Executive Producer |
| Production | Claudio Argento | Executive Producer |
| Production | Donald A. Barton | Executive Producer |
| Production | Tommaso Calevi | Line Producer |
| Production | Simona Politi | Executive Producer |
| Production | Patricia Eberle | Executive Producer |
| Production | David Milner | Executive Producer |
| Sound | Todd Smith | Dialogue Editor |
| Sound | Manuel Mendoza | Dialogue Editor |
| Sound | Jason Abell | Dialogue Editor |
| Production | Davide Bassan | Production Designer |
