Marius De Saeger: 5 Breakthrough Roles And New 2025 Projects That Define His Career

Marius De Saeger has rapidly become one of the most compelling young talents in European cinema. As of December 15, 2025, the Belgian actor is riding a wave of international acclaim following his stunning, emotionally resonant performance in the 2024 coming-of-age drama, *Young Hearts*.

His work has been praised for its authenticity and depth, cementing his status as an artist and performer to watch closely. This article delves into his biography, his breakout role, and the exciting new projects, including the highly anticipated 2025 release, that are set to define the next chapter of his burgeoning career.

Marius De Saeger: Full Biography and Professional Profile

Marius De Saeger is a Belgian screen actor who, despite his young age, has demonstrated a remarkable range and maturity in his performances. He is quickly becoming a recognizable face in independent European film.

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• Full Name: Marius De Saeger
• Nationality: Belgian
• Date of Birth: September 28, 2009
• Place of Birth: Brussels, Belgium
• Primary Occupation: Actor, Entertainer, Performer
• Education/Training: Attended acting and speech classes at the Royal Conservatory in Brussels.
• Breakout Role: Alexander in *Young Hearts* (2024).
• Key Collaborator: Director Anthony Schatteman and co-star Lou Goossens.
• Current Status: Highly active in film, with multiple projects slated for 2025 releases.

His foundational training at the prestigious Royal Conservatory in Brussels provided him with a strong theatrical background, which he has successfully translated into nuanced, screen-ready performances.

The Global Impact of *Young Hearts* (2024): The Breakout Role

Marius De Saeger’s career trajectory changed dramatically with the release of the Belgian-Dutch independent film, *Young Hearts*. Directed by Anthony Schatteman, the film is a tender and beautifully ordinary queer romance that resonated deeply with festival audiences worldwide.

The Role of Alexander and Critical Acclaim

In *Young Hearts*, Marius plays the role of Alexander, a confident and openly gay boy from Brussels who moves to the countryside and befriends the more reserved, 14-year-old Elias, played by Lou Goossens. De Saeger’s portrayal of Alexander was lauded for its sincerity, capturing the complex feelings of first love and self-discovery with grace.

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The chemistry between De Saeger and Lou Goossens was a central point of the film's success. Director Anthony Schatteman specifically sought actors who could believably convey the intensity of young love, a goal that was overwhelmingly achieved by the two leads.

Festival Success and Major Awards

The film’s journey began on the international stage, premiering at the 74th Berlin International Film Festival (Berlinale) in 2024 as part of the Generation Kplus section. Its warm reception at the Berlinale set the tone for its subsequent success.

Most recently, the film continued its award streak into 2025, a testament to its lasting appeal. *Young Hearts* won the Audience Award for Best Feature Fiction Film at the Cinhomo 2025 festival. Furthermore, it secured multiple honors at the 37th Out On Film Festival, highlighting its importance within the landscape of contemporary queer cinema.

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The film's producers, including Xavier Rombaut, Floor Onrust, and Annabella Nezri, along with cinematographer Pieter Van Campe, oversaw a project that has become a critical darling and a significant milestone for both De Saeger and Schatteman, who made his feature directorial debut.

New and Upcoming Projects: Marius De Saeger in 2025 and Beyond

With the critical and commercial success of *Young Hearts*, Marius De Saeger has quickly moved on to new and varied projects, demonstrating his commitment to the craft and his desire to explore different facets of acting.

1. 'Thy Kingdom Come' (2025 Feature Film)

One of the most anticipated projects on De Saeger’s slate is the feature film 'Thy Kingdom Come'. While details remain scarce, the film is generating buzz within his fan community and is currently slated for a potential release date of August 1, 2025. This project is expected to be a major next step, following his breakout performance.

2. *Sterrenstof* (Short Film)

Another key recent project for the young actor is the short film titled *Sterrenstof* (which translates to Stardust). This project is notable as it is a student-run film, showcasing De Saeger’s willingness to support emerging filmmakers and take on roles outside of major studio productions.

Though the short film is currently unreleased, stills and updates from the writer/director have confirmed its completion and impending debut. Working on a student film like *Sterrenstof* is a classic move for a rising actor, allowing him to hone his skills in a more experimental environment.

3. Continued Festival Circuit for *Young Hearts*

Even with new projects underway, the momentum for *Young Hearts* continues into 2025. The film is still being screened at various international film festivals, including the Windsor International Film Festival, maintaining its visibility and ensuring De Saeger's performance reaches new audiences. This extended festival life is crucial for building topical authority and continuous industry presence.

Topical Authority and Legacy: Why Marius De Saeger Matters

Marius De Saeger represents a new generation of Belgian performers specializing in emotionally complex, contemporary European cinema. His work, particularly in the coming-of-age and queer romance genres, aligns him with a broader movement in European film that prioritizes authentic storytelling and diverse representation.

His early training at the Royal Conservatory in Brussels provided a rigorous foundation, allowing him to transition seamlessly from academic study to the demands of a feature film set. Working with established Belgian actors like Geert Van Rampelberg, Emilie De Roo, and Dirk Van Dijck on *Young Hearts* further solidified his professional experience. As he moves into 2025 with projects like 'Thy Kingdom Come' and *Sterrenstof*, Marius De Saeger is not just a rising star, but a vital new voice in the world of independent film.

His ability to capture the vulnerability and excitement of youth—as demonstrated in his celebrated portrayal of Alexander—suggests a long and impactful career ahead, making him one of the most exciting young Belgian actors to follow today.