Sienna Hallas is known for Splitting Up Together (2016), Er du på! (2021) and Stikker (2020).

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"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

Stine Schrøder Jensen, Maria Rossing, Peter Plaugborg, Esben Dalgaard, and Katrine Greis-Rosenthal in Splitting Up Together (2016)

Max Tranberg, Sigurd Birch Beck, Alfred Bjerre Larsen, Erik Schmidt, Emma Skov Dahl Christiansen, Milo Campanale, and Sienna Hallas in Stikker (2020)

Peter Sommer: Vi Der Valgte Mælkevejen (Remix by Cyd Williams)

Sienna Hallas

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