In the 28th century, Valerian and Laureline are special operatives charged with keeping order throughout the human territories. On assignment from the Minister of Defense, the two undertake a mission to Alpha, an ever-expanding metropolis where species from across the universe have converged over centuries to share knowledge, intelligence, and cultures. At the center of Alpha is a mysterious dark force which threatens the peaceful existence of the City of a Thousand Planets, and Valerian and Laureline must race to identify the menace and safeguard not just Alpha, but the future of the universe.
| Valerian | Dane DeHaan |
| Laureline | Cara Delevingne |
| Commander Arün Filitt | Clive Owen |
| Bubble | Rihanna |
| Jolly the Pimp | Ethan Hawke |
| Defence Minister | Herbie Hancock |
| Sergeant Neza | Kris Wu |
| President of the World State Federation | Rutger Hauer |
| Igon Siruss (voice) | John Goodman |
| Emperor Haban-Limaï (voice) | Elizabeth Debicki |
| General Okto Bar | Sam Spruell |
| Major Gibson | Ola Rapace |
| Bob the Pirate | Alain Chabat |
| Pirates (voice) | Thom Findlay |
| Hawker | Mathieu Kassovitz |
| Emperor Haban-Limaï | Aymeline Valade |
| Princess Lïhio-Minaa / Creature 'Candy Dress' | Sasha Luss |
| Empress Aloï / Creature 'Swing Angel' | Pauline Hoarau |
| K-Tron Warrior / Control Room Soldier | Jonas Bloquet |
| Creature 'Jessica Rabbit' | Sand Van Roy |
| Captain Welcoming Mercurys | Louis Leterrier |
| Captain Welcoming KCO2 | Olivier Megaton |
| Male Tourist | Sam Douglas |
| Mâatri (Tsûuri's Friend) | Diva Sicard |
| Guide Thaziit | Eric Lampaert |
| Captain Kris | Alexandre Willaume |
| Sergent Cooper | Gavin Drea |
| Major Samk | Réginal Kudiwu |
| Pearl Tsuuri (voice) | David Michie |
| Pearl | Marion Roussignol |
| Pearl | Emilie Pommelet |
| Boulan Bathor | Roman Blomme |
| Bubble Dancer (as Emilie Goldblum) | Emilie Livingston |
| Japanese Delegate | Alexandre Nguyen |
| Igon Sirus Guard | Aurelien Gaya |
| Paradise Alley Soldier | Mikael Buxton |
| Valley Chinois | Yun Lai |
| Police Officer | Anders Heinrichsen |
| Roper | Tristan Robin |
| Controller of the Technical Chamber | Yun-Ping He |
| Commander Arün Filitt Guard | Ben Mauro |
| Igon Sirus Guard | Jean-François Lenogue |
| Igon Sirus Guard | Peter Eberst |
| Captain Norton | Xavier Giannoli |
| Captain Welcoming Palm Müret | Éric Rochant |
| Captain Welcoming Arysum | Benoît Jacquot |
| Captain Welcoming Martapuraïs | Gérard Krawczyk |
| Kortan Dahük | Pierre Cachia |
| Kortan Dahük | David Saada |
| Kortan Dahük | Hippolyte Burkhart-Uhlen |
| Mercury | Florian Guichard |
| Mercury | Stéphane Mir |
| Mercury | Thierry Barthe |
| Palm Müret | Pier Ewudu |
| Palm Müret | Andrew Tisba |
| Palm Müret | Yannick Lorté |
| Arysum-Kormn | Charly Akakpo |
| Arysum-Kormn | Clément Beauruelle |
| Arysum-Kormn | Audrey Kamp |
| Martapuraï | Anthony Hornez |
| Martapuraï | Julien Bleitrach |
| Martapuraï | Maxime Babara Touré |
| Empress Aloï (voice) | Barbara Weber-Scaff |
| Tsûuri | Marilhéa Peillard |
| Tsûuri / Tourist (voice) | Lee Delong |
| Mâatri (Tsûuri's Friend) (voice) | Judith Brunett |
| Tsûuri Child | Marie Barrouillet |
| Guard | Cindy Bruna |
| Guard | Sija Titko |
| Tortured Pearl | Daphnée Kbidi |
| Tortured Pearl (voice) | Nick Marzock |
| Captain Zito | Stefan Konarske |
| Major Gibon's Soldier / Igon Junio | Mahamadou Coulibaly |
| Major Gibon's Soldier | Julien Marlin |
| Major Gibon's Soldier | Yvan Lucker |
| Major Gibon's Soldier | Tom Hygreck |
| Bus Driver | Abel Jafri |
| Igon Siruss / Doghan Dagui | Laurent Ferraro |
| Igon Sirus Guard | Jean-Robert Lombard |
| Igon Sirus Guard | Leonid Glushchenko |
| Igon Sirus Guard | Akim Chir |
| Igon Sirus Guard | Laminé Ba |
| Siirt Guard / Siirt Salesman | Paul Lefèvre |
| Siirt Salesman | Guillaume Maison |
| Siirt Salesman | Jean-Christophe Brizard |
| Siirt Cop | Patrick Cottet-Moine |
| Female Tourist | Irene Palko |
| Guide #2 | James Flynn |
| DA / Doghan-Dagui | Tonio Descanvelle |
| Tourist | Velvet D'Amour |
| Doghan-Dagui | Doug Rand |
| Doghan-Dagui (voice) | Grant Moninger |
| Doghan-Dagui (voice) | Robbie Rist |
| Doghan-Dagui (voice) | Christopher Swindel |
| Bubble / Glamopod / Control Room Sergeant | Claire Tran |
| Club Bouncer | Alain Etoundi |
| Club Bouncer | Fayet Nsumoto |
| Creature 'Twin' | Kristina Kachinskaya |
| Creature 'Twin' | Veronika Khayla |
| Creature 'Louis XVI' | Sissi Duparc |
| Creature 'Bird Woman' | Noam Frost |
| Creature 'Tattoo' | Pauline Serreau |
| Hero Merchant | Philippe Rigot |
| Red Zone Captain | Étienne Ménard |
| Warship Captain | Peter Lamarque |
| K-Tron Captain | Maximilien Seweryn |
| K-Tron Warrior | Zouheir Zerhouni |
| K-Tron Warrior | Tristan Zerbib |
| Interrogation Room Captain | Elliot Jenicot |
| Control Room Soldier | Staiv Gentis |
| Alex-Intruder's Voice (voice) | Chloé Hollings |
| Boulan Bathor Emperor | Aguendia Fotabong |
| Boulan Bathor Emperor's Wife | Tania Dessources |
| Fisherman | Gaëtan Cotigny |
| Fisherman | François Bredon |
| Captain Crowford | Peter Hudson |
| Bubble / Boulan-Bathor / Valerian | Cédric Chevalme |
| Thalia Besson | |
| Astronaut (uncredited) | David Clark |
| Boulan Bathor (uncredited) | Benjamin Cléry |
Valerian and the City of a Thousand Planets on Wikipedia
Valerian and the City of a Thousand Planets on IMDb