Koen Jansen is known for Groeten van Gerri (2020), Herrie in Huize Gerri (2021) and Blijf (2022).

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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

Frank Lammers in Groeten van Gerri (2020)

Frank Lammers and Sanne Langelaar in Herrie in Huize Gerri (2021)

Koen Jansen

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