Collider can exclusively unveil the first poster forOne Day as a Lion, an upcoming action thriller starringScott Caan,J.K. Simmons, andFrank Grillo. The film follows Caan in the role of Jackie Powers, an incompetent hitman tasked with taking out a cowboy legend played by Simmons.
While we know little aboutOne Day as a Lion, the first poster teases the movie’s tone. In the key art, we can see the three main stars in front of a “Diner” sign that underlines theNeo-Westernsetting of the crime drama. As the official synopsis reveals,One Day as a Lionis an homage to theCoen Brothers,known for their mastery of Westerns and crime stories. Among the inspirations forOne Day as a Lion,the synopsis also countsQuentin Tarantino, which could indicatehow bloody and violentthe upcoming movie can be.

One Day as a Lionwas filmed in 2022when we got the first story details. Now, with the help of the synopsis, we can start piecing things together and get a clearer picture of the upcoming thriller. Caan, who hasan impressive range as an actor, will be playing a hitman who gets involved with some dangerous people while trying to get enough money to take his son out of jail. His target, Simmons, is some sort of gritty celebrity who won’t be taken down easily, forcing Caan’s Jackie Powers to run away. While escaping the criminals who hired him, Jackie joins forces with bored waitress Lola, who starts her journey as a hostage and becomes the failed hitman’s partner.
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On top of everything, there’s also a thug sent to kill Jackie after he fails his mission. While there’s nothing confirmed, it would make sense for Grillo to play the main villain, as the star has a knack for bringing compelling villains to life, from theMCU’s Crossbonestohis most recent role as a cult leader.
When IsOne Day as a LionComing to Theaters?
One Day as a Lionis directed byJohn Swab, whose previous film,Little Dixie, also starred Grillo. The script is signed by Caan himself. The movie also starsMarianne Rendón,Taryn Manning,George Carroll, andVirginia Madsen.
One Day as a Lion comes to theaters on April 4. After that, the movie will be available on digital and on demand on April 7. Check out the exclusive poster and the film’s synopsis below.
Jackie Powers (Scott Caan) is a nice guy but a lousy hitman sent to take out a crafty debtor (J.K. Simmons), but Jackie only pisses him off. Fleeing the scene, Jackie takes bored waitress Lola as a hostage. Jackie needs money to get his son out of jail, and Lola cooks up a scheme for them to get cash from her dying mother (Virginia Madsen). Meanwhile a thug sent to kill him is sleeping with Jackie’s ex… Also starring Frank Grillo, this crime comedy is a witty homage to Tarantino and the Coen brothers.