- Actor Allusion:
- Billing Displacement: Rutger Hauer is given top billing despite his screen time being just one minute.
- Box Office Bomb: It had an estimated $177,200,000 budget and managed $224,600,000 in international box office totals. Notably, news publications were calling it a bomb in its first week of release, and its later numbers unfortunately didn't improve from there. It earned a dismal $40.5 million at the US box office.
- Creator Killer: The film's lackluster performance resulted in Edouard de Vesinne being ousted as EuropaCorp's deputy CEO.
- Cross-Dressing Voices: Elizabeth Debicki voices Emperor Haban Limaï.
- Doing It for the Art: No matter what the result, it cannot be denied that Luc Besson adored this project. Valerian's opening scene is so crazy, Besson recruited an army of his own film students to explain it. He even waived his own salary in order to get the film made.
- Dyeing for Your Art: Cara Delevingne worked out for months to get in the right shape for the role.
- Fake American: Cara Delevingne (who is British) continues her long tradition of playing more Americans than Brits.
- In Memoriam: At the end of the film, Besson gives a dedication to his father simply saying "To my father" right before the credits roll.
- Promoted Fanboy: Rutger Hauer's presence in the movie results in this for Luc Besson - who is a huge fan of Blade Runner.
- Stunt Casting: Pop singer Rihanna as Bubble.
- Those Two Actors: Cara Delevingne and Dane De Haan also appeared in the period romance Tulip Fever, released the same year.
- The Wiki Rule: The Valerian Wiki.
Trivia / Valerian and the City of a Thousand Planets