The world's most-listened-to Latin singer Bad Bunny showed up in a Dior suit, while Brad Pitt was dressed in a lime green linen suit and yellow sneakers. Both, along with a cast of recognizable characters, are looking to conquer movie theaters this year.

"The shoot benefited from having such a good cast and that's partly because it's a film with Brad Pitt, a kind and humble partner, who is also the best in the business. When he's on a project, a lot of people raise their hands," David Leitch, the director of Bullet Train, a fast-paced comedy of action and violence that opens this weekend, said to EFE.

The cast also features top talent like Sandra Bullock, Joey King, Aaron Taylor-Johnson, Brian Tyree Henry and Andrew Koji to give life to a cast where none are good, none are heroes and none have good intentions.

Bullet Train adapts a novel of the same name by Kotaro Isaka that follows a hitman in the throes of an existential crisis (Pitt) as he travels on a bullet train between the cities of Tokyo and Kyoto, on a mission to recover a valuable suitcase abandoned in one of the carriages.

What the protagonist doesn't expect is that aboard the train are several prominent hitmen from around the world, each with the same objective. They end up making the journey a crazy and bloodthirsty chaos.

"I've absorbed all of that, but this film is authentic and mine," added Leitch, who already made his surrealist mark directing the second installment of the Deadpool saga.

Sony Pictures, the studio behind Bullet Train, has no doubt that the film's big draw will be Benito A. Martinez Ocasio, Bad Bunny. The character played by the famous singer is a Mexican hitman with a thirst for revenge, and was written for a much older actor, Leitch revealed.

"But my producer and my wife told me to think of Benito, who had just appeared in Narcos and looked amazing," he explained. "I met with him and he was perfect. Young, fresh, full of life and passion."