‘Lupin’ Season 4 Recasts Raoul—Meet Théo Christine, the New Face Behind Assane’s Son

When Netflix launched ‘Lupin‘ in 2021, the French mystery caper defied conventional streaming metrics by transforming Maurice Leblanc’s vintage literary hero into an electric, modern global sensation. Across its first three chapters, the charismatic exploits of master burglar Assane Diop captivated tens of millions of viewers worldwide while demonstrating the explosive international appetite for sleek non-English television.

Following a grueling three-year hiatus, the French production finally returned for an ambitious eight-episode run on October 23, 2026. The new chapter picks up four years after the third season’s cliffhanger, finding Assane behind bars and attempting to leave his gentleman thief persona behind to rebuild his fractured family life.

Yet eagle-eyed viewers tuning into the season premiere immediately noticed an unmistakable transformation within the Diop household. Young actor Etan Simon, who portrayed Assane’s son Raoul across the first three installments, has departed the project, with French talent Théo Christine officially stepping into the role for ‘Lupin’ Part 4.

Why ‘Lupin’ Season 4 Replaced Etan Simon as Raoul

The primary catalyst behind this unexpected recasting stems from the narrative’s four-year creative time jump. While Simon effectively captured Raoul’s innocent childhood vulnerability, the production team required an older performer capable of embodying the heavier emotional weight of a conflicted young adult navigating his father’s criminal notoriety.

Lead star and newly elevated co-showrunner Omar Sy addressed the bittersweet transition head-on, noting that maturing the character was essential for raising the dramatic stakes across the new run. In covering the fresh episodes, Radio Times reported that Etan Simon was replaced due to the narrative leap, with Sy explaining, “Time has passed and we wanted him to be older and bring something more to this character”.

Saying farewell to the original young actor proved difficult for the cast and crew, but Sy maintained that narrative progress demanded difficult casting choices. Sy admitted that parting with Simon was “really hard,” yet emphasized, “In the story we want to go deeper on the drama, so we needed a different actor for that, less of a kid”.

The central storyline of the fourth season moves away from purely whimsical escapades to confront the collateral emotional damage inflicted on Assane’s loved ones. Sy candidly noted that fatherhood remains Assane’s ultimate vulnerability, explaining, “He finds communication difficult, everything related to his feelings – and it’s been like that since the first episode on season 1”.

Who Is Théo Christine? Career and Breakthrough Roles

Stepping into such a prominent role within a marquee Netflix franchise is a daunting task, but Christine arrives with an already formidable acting resume. Born in 1996 in La Roche-sur-Yon, France, the 30-year-old performer first garnered substantial European acclaim playing Alexandre Delano in the popular teen drama series ‘Skam France’.

Christine proved his exceptional artistic range on the big screen by portraying hip-hop pioneer JoeyStarr in the acclaimed 2021 musical biopic ‘Suprêmes’, earning widespread critical notice for his raw intensity. He subsequently cemented his genre credentials by starring in the harrowing 2023 creature horror feature ‘Infested’ and securing a supporting role in the Hollywood racing film ‘Gran Turismo’.

His rich experience across diverse dramatic and action roles gave the creative team confidence that he could convey Raoul’s complicated psychological evolution. Christine portrays a young man deeply wounded by years of parental absence, lending a mature gravity to scenes shared alongside Sy and veteran actress Ludivine Sagnier.

How Raoul’s Evolution Reshapes the High-Stakes Narrative

Behind the scenes, the series expanded under the banner of Carrousel Studios to deliver a blockbuster scope while altering Assane’s typical heist formula. Discussing the creative evolution in an interview with Collider Interviews, Sy outlined why the production needed a fresh approach, emphasizing that the emotional core of the entire show remains grounded in family dynamics.

In the new installment, Raoul’s transition into adulthood becomes deeply fraught after Assane’s long-promised father-son trip to Senegal is derailed by a mysterious copycat criminal. Rather than remaining an innocent bystander waiting to be rescued, the older Raoul makes independent, morally ambiguous choices that pull him into dangerous conspiracies.

By selecting a seasoned talent like Christine, the production successfully transitions Raoul from a passive pawn into an autonomous, deeply conflicted force in Assane’s turbulent orbit. This evolution provides the high-octane caper with profound emotional weight, proving that the greatest challenges confronting the gentleman thief often hit closest to home.

What do you think of Théo Christine taking over as Raoul in ‘Lupin’ Part 4, and did the four-year time jump work for the story?