 | Keanu Reeves als John Wick |
 | Donnie Yen als Caine |
 | Bill Skarsgård als Marquis |
 | Ian McShane als Winston |
 | Laurence Fishburne als Bowery King |
 | Lance Reddick als Charon |
 | Clancy Brown als Harbinger |
 | Hiroyuki Sanada als Shimazu |
 | Rina Sawayama als Akira |
 | Scott Adkins als Killa |
 | Aimée Kwan als Mia |
 | Marko Zaror als Chidi |
 | Natalia Tena als Katia |
 | Shamier Anderson als Tracker |
 | George Georgiou als The Elder |
 | Yoshinori Tashiro als Sumo #1 |
| Hiroki Sumi als Sumo #2 |
| Daiki Suzuki als Daiki |
| Julia Asuka Riedl als Operator |
 | Milena Rendón als Operator |
| Ivy Quainoo als Operator |
| Irina Trifanov als Operator |
| Iryna Fedorova als Babushka |
| Andrej Kaminsky als Priest |
 | Sven Marquardt als Klaus |
 | Raicho Vasilev als German Gangster |
| Marie Pierra Kakoma als DJ |
 | Gina Aponte als Club Host (uncredited) |
 | Christoph Hofmann als Valet (uncredited) |
| Derek Kolstad | Characters |
| Erica Lee | Producer |
| Basil Iwanyk | Producer |
| Chad Stahelski | Director |
| Tyler Bates | Original Music Composer |
| Joel J. Richard | Original Music Composer |
| Chad Stahelski | Producer |
| Louise Rosner-Meyer | Executive Producer |
| Keanu Reeves | Executive Producer |
| Shay Hatten | Writer |
| Michael Finch | Writer |
| David Leitch | Executive Producer |
| Michael Paseornek | Executive Producer |
| Casey Genton | Sound Re-Recording Mixer |
| Andy Koyama | Sound Re-Recording Mixer |
| Alan Rankin | Sound Designer |
| Mark P. Stoeckinger | Supervising Sound Editor |
| Tom Boykin | Dialogue Editor |
| Simon Brown | Boom Operator |
| Laurent Chassaigne | Foley Editor |
| Jason W. Freeman | Dialogue Editor |
| Gadou Naudin | Foley Artist |
| Louis Naudin | Foley Mixer |
| Gerd Nefzer | Special Effects Supervisor |
| Jonathan Rothbart | Visual Effects Supervisor |
| Jen Malone | Music Supervisor |
| Oliver Hug | Music Editor |
| Chris Newlin | Music Editor |
| Daniel Waldman | Music Editor |
| Manfred Banach | Production Sound Mixer |
| Michael Baird | Dialogue Editor |
| Srdjan Kurpjel | Foley Supervisor |
| Xiao'ou Olivia Zhang | Sound Designer |
| Gael Nicolas | Sound Designer |
| Luke Gibleon | Sound Effects Editor |
| Nicholas Interlandi | Sound Effects Editor |
| Reina Sparks | Visual Effects Producer |
| Azam Ali | Vocals |
| Lance Reddick | In Memory Of |
| Chris Navarro | ADR Mixer |
| Chris Whiteside | ADR Mixer |
| Christoph Fisser | Co-Producer |
| Henning Molfenter | Co-Producer |
| Charlie Woebcken | Co-Producer |
| Kharmel Cochrane | Casting |
| Nathan Orloff | Editor |
| Kevin Kavanaugh | Production Design |
| Michael Jordan | Assistant Editor |
| Nicholas Lundgren | Additional Editor |
| Christian Reinhardt | Assistant Editor |
| Kenji T. Yasutake | Assistant Editor |
| Samuel Payen | Third Assistant Director |
| Maud Ducre | Third Assistant Director |
| Ahmad Khomakho | Third Assistant Director |
| Scott Rogers | Second Unit Director |
| Aria Harrison | Script Supervisor |
| Mark Anthony Little | First Assistant Director |
| Jeremy Marks | First Assistant Director |
| Scott Rogers | Stunt Coordinator |
| Stephen Dunlevy | Stunt Coordinator |
| Michael Tinger | Post Production Supervisor |
| Koji Kawamoto | Fight Choreographer |
| Laurent Demianoff | Fight Choreographer |
| Melanie Randolph | Set Costumer |
| Birger Laube | Makeup Artist |
| Kerrie Smith | Hair Designer |
| Kerrie Smith | Hairstylist |
| Valérie Chapelle | Key Makeup Artist |
| Clémence Gaag | Hairstylist |
| Nathalie Chesnais | Costume Supervisor |
| Luka Antonić | Costume Supervisor |
| Kate Edwards | Costume Supervisor |
| Paco Delgado | Costume Design |
| Murray Close | Still Photographer |
| Dan Laustsen | Director of Photography |
| Chris Shriver | Supervising Art Director |
| Andreas Olshausen | Supervising Art Director |
| Zoltán Virányi-Fontan | Standby Art Director |
| Régis Marduel | Standby Art Director |
| Thierry Poulet | Set Designer |
| Marie Delfau | Set Designer |
| Julian Burger | Set Designer |
| Julia Halbfas | Set Designer |
| Alice Wong | Set Designer |
| Mark Rosinski | Set Decoration |
| Lorenz Plassmann | Assistant Art Director |
| Thierry Zemmour | Art Direction |
| Karim Kheir | Art Direction |
| Emil Birk | Art Direction |
| Cornelia Ott | Art Direction |
| Stephen P. Robinson | Sound Designer |
| Janelle Croshaw Ralla | Visual Effects Supervisor |
| Brooke Lyndon-Stanford | Visual Effects Producer |
| Todd Harris | Storyboard Artist |
