Guillaume Arnoldi is known for Au service de l'état (2026), Two Pianos (2025) and La pire mère au monde (2025).

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The Biggest Movies and TV Coming in September

"The Gentlemen" and "Slow Horses" return this fall, while the "Reacher" spin-off series "Neagley" makes its debut. See our guide of the biggest Fall TV and streaming releases.

2026 Fall TV and Streaming Watch Guide

&quot;The Gentlemen&quot; and &quot;Slow Horses&quot; return this fall, while the &quot;Reacher&quot; spin-off series &quot;Neagley&quot; makes its debut. See our guide of the biggest Fall TV and streaming releases.

Get a closer look at these actors from their many TV and streaming series roles.

Streaming Stars, Then and Now

Charlotte Rampling, François Civil, and Nadia Tereszkiewicz in Two Pianos (2025)

Muriel Robin and Louise Bourgoin in La pire mère au monde (2025)

Guillaume Arnoldi

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