Guillaume Marbeck (born February 21, 1994) is a professional photographer in Paris. Alongside his career as a photographer, Marbeck has made his big screen debut in Richard Linklater's 2025 film Nouvelle Vague.

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Guillaume Marbeck is a French photographer based in Paris who transitioned into film acting, gaining recognition for his role in Richard Linklater's 2025 drama.
He is primarily known for his debut lead role as the influential filmmaker Jean-Luc Godard in the 2025 film Nouvelle Vague.
Yes, Marbeck maintains his professional career as a photographer alongside his emerging work in the film industry.