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Marius De Saeger

Acting Born Sep 28, 2009 Brussels, Belgium 3 credits

Biography

Marius De Saeger is a Belgian actor born on September 28, 2009, in Brussels. He gained recognition for his portrayal of Alexander in the 2024 coming-of-age drama Young Hearts, directed by Anthony Schatteman. The film explores themes of adolescent love and self-discovery and premiered at the 74th Berlinale. His performance drew critical acclaim and contributed to the film's success at various international festivals. De Saeger has also appeared in Sterrenstof (2025) and Detached (2026).

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Known for

Film

Detached

as Flor
Film

Young Hearts

as Alexander

Frequent co-stars

Lou Goossens 1 shared title
Geert Van Rampelberg 1 shared title
Emilie De Roo 1 shared title
Dirk van Dijck 1 shared title
Jul Goossens 1 shared title
Ezra van Dongen 1 shared title
Olivier Englebert 1 shared title
Olga De Saeger 1 shared title
Wim Opbrouck 1 shared title
Florence Hebbelynck 1 shared title

Career timeline

DetachedStardust
Young Hearts

Full filmography