Trailer
Images
 | Chris Hemsworth as Agent H |
 | Tessa Thompson as Agent M |
 | Liam Neeson as Agent High T |
 | Rebecca Ferguson as Riza |
 | Emma Thompson as Agent O |
 | Rafe Spall as Agent C |
 | Kumail Nanjiani as Pawny (voice) |
 | Jess Radomska as Spike - Alien |
 | Viktorija Faith as Jellyfish Alien |
 | Ania Sowinski as Alien Boss Wife |
 | Andy Beckwith as Player 1 |
 | Stephen Wight as Ethan / Guy |
| Penelope Kapudija as Baby Passerby |
| Jacqueline Ramnarine as Clubber |
 | Bern Collaço as MIB Scientist |
 | Hiten Patel as Tech Geek |
 | Anatole Taubman as French Salesman |
 | Nasir Jama as MiB Cub |
 | Adrian Alvarado as Molly's Dad |
| Ruth Horrocks as MIB Agent |
 | Gary Baxter as Human Alien |
 | Marcy Harriell as Molly's Mom |
| Laurent Bourgeois as Alien Twin |
| Larry Bourgeois as Alien Twin |
 | Ashish Chanchlani as Ashish Chanchlani |
 | Kayvan Novak as Vungus / Nasr / Bassam |
| Directing | |
| F. Gary Gray | Director |
Writing | |
| Matt Holloway | Writer |
| Art Marcum | Writer |
| Lowell Cunningham | Characters |
Production | |
| Walter F. Parkes | Producer |
| Laurie MacDonald | Producer |
| Steven Spielberg | Executive Producer |
| Barry Sonnenfeld | Executive Producer |
| E. Bennett Walsh | Executive Producer |
Editing | |
| Christian Wagner | Editor |
| Zene Baker | Editor |
Camera | |
| Stuart Dryburgh | Director of Photography |
Art | |
| Charles Wood | Production Design |
Visual Effects | |
| Lennart Breede | Visual Effects Technical Director |
Editing | |
| Matt Willard | Editor |
Sound | |
| Danny Elfman | Original Music Composer |
| Chris Bacon | Original Music Composer |
