
Marius De Saeger Biography: Height, Ethnicity, Age, Net Worth, Siblings, Parents, Film
Marius De Saeger is a Belgian actor who gained recognition for his role as Alexander in the 2024 film Young Hearts.
Directed by Anthony Schatteman, the film is a coming-of-age drama that explores themes of love and self-discovery during adolescence.
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Young Hearts premiered at the 74th Berlinale, where it received an enthusiastic reception. Marius‘ performance was widely praised by critics, earning him international recognition.

Profile
- Full name: Marius De Saeger
- Date of birth: September 28, 2009
- Age: 16 years old
- Gender: Male
- Place of birth: Brussels, Belgium
- Nationality: Belgian
- Profession: Actor
- Height: 5 feet 7 inches (170 cm)
- Parents: N/A
- Siblings: Olga De Saeger
- Spouse: N/A
- Children: N/A
- Relationship status: N/A
- Religion: Christianity
- Ethnicity: White
- Net worth: $500,000
Early Life and Education
Marius De Saeger was born on September 28, 2009, in Brussels, Belgium. He is currently 16 years old. Marius has a sister named Olga De Saeger. He is of Belgian nationality and practices Christianity. Marius stands at approximately 5 feet 7 inches (170 cm) tall.
Marius began his acting career at a young age. He attended acting and speech classes at the Royal Conservatory in Brussels. In 2021, he completed a year-long program at the Bronks Theatre.
Personal Life
Marius De Saeger’s personal life is kept private, and they might be single at the moment.
Career
Marius De Saeger’s career took off with “Young Hearts,” a heartfelt coming-of-age drama that resonated with both audiences and critics. In the film, he plays Alexander, a character navigating the complexities of love, identity, and self-discovery.
The film’s powerful storytelling, combined with Marius’s nuanced performance, helped it earn recognition at prestigious events like the Berlin International Film Festival.
It also won awards at the New York LGBT Film Fest and the Seattle International Film Festival, proving its impact. His portrayal of Alexander was widely praised for its authenticity, with critics noting his ability to bring depth and emotion to the role.
For a debut performance, this is no small feat. With this strong start, Marius has positioned himself as one of the most promising young actors in Belgian and international cinema.
Net Worth
Marius De Saeger’s net worth is approximately $500,000. He has earned this through his acting career, including his role in “Young Hearts,” as well as brand endorsements and commercials.
Social Media
- Instagram: @marius.desaeger
- TikTok: @mariusdesaeger
Filmography
- Young Hearts (2024) as Alexander
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