In 'War Machine' staat de hooggeplaatste generaal Glen McMahon centraal. McMahon, die diversen bijnamen heeft zoals oa. 'Glenimal' heeft een dodelijke reputatie en krijgt de leiding over de oorlog in Afghanistan. Om die oorlog voorgoed te kunnen winnen hanteert hij een totaal nieuwe en radicale aanpak.
| Production | Sarah Bowen | Executive Producer |
| Production | Sarah Esberg | Executive Producer |
| Production | Pauline Fischer | Executive Producer |
| Production | Ben Howarth | Co-Producer |
| Production | Ted Sarandos | Producer |
| Production | Michael P. Flannigan | Producer |
| Sound | Peter Burgis | Foley Artist |
| Sound | Zoe Freed | Foley Artist |
| Sound | Glen Gathard | Foley Supervisor |
| Sound | Judah Getz | Foley Supervisor |
| Sound | Peter Gleaves | ADR Recordist |
| Sound | Arthur Graley | Sound Effects Editor |
| Sound | Peter Hanson | Foley Editor |
| Sound | Thom Kellar | Sound Effects Editor |
| Sound | Mike Prestwood Smith | Sound Re-Recording Mixer |
| Sound | Jason Swanscott | Foley Artist |
| Art | Christopher Donovan | Set Decoration |
| Art | Keith Pain | Art Direction |
| Costume & Make-Up | Gemma Dillon | Wigmaker |
| Costume & Make-Up | Tatiana Zarubova | Makeup Artist |
| Costume & Make-Up | Sophie Slotover | Makeup Artist |
| Costume & Make-Up | Fabienne Robineau | Makeup Artist |
| Costume & Make-Up | Renata Gilbert | Makeup Artist |
| Sound | Nick Cave | Original Music Composer |
| Sound | Warren Ellis | Original Music Composer |
| Directing | David Michôd | Director |
| Writing | David Michôd | Screenplay |
| Writing | Michael Hastings | Novel |
| Camera | Dariusz Wolski | Director of Photography |
| Sound | Sam Petty | Sound Designer |
| Production | Brad Pitt | Producer |
| Production | Dede Gardner | Producer |
| Production | Jeremy Kleiner | Producer |
| Production | Ian Bryce | Producer |
| Production | James W. Skotchdopole | Executive Producer |
| Production | Des Hamilton | Casting |
| Production | Francine Maisler | Casting |
| Production | Miranda Davidson | Casting |
| Editing | Peter Sciberras | Editor |
| Art | Tabitha Quitman | Art Department Coordinator |
| Art | Martin Sullivan | Art Direction |
| Art | Will Coubrough | Art Direction |
| Art | Josephine Ford | Production Design |
| Art | Paul Purdy | Property Master |
| Art | Judy Farr | Set Decoration |
| Art | Matthew Gray | Supervising Art Director |
| Costume & Make-Up | Jane Petrie | Costume Design |
| Costume & Make-Up | Gabrielle Spanswick | Costume Supervisor |
| Costume & Make-Up | Phaedra Dahdaleh | Costume Supervisor |
| Costume & Make-Up | Sparka Lee Hall | Costume Supervisor |
| Costume & Make-Up | Ryo Murakawa | Hairstylist |
| Costume & Make-Up | Peta Dunstall | Key Hair Stylist |
| Costume & Make-Up | Robb Crafer | Key Makeup Artist |
| Costume & Make-Up | Jean Ann Black | Makeup Artist |
| Costume & Make-Up | Alessandro Bertolazzi | Makeup Designer |
| Costume & Make-Up | Alex Rouse | Wigmaker |
