Brigitte Siebert is known for Batwoman (2019), Untamed (2025) and Avatar: The Last Airbender (2024).

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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

1st assistant production coordinator: re-shoots

Daniel Dae Kim, Paul Sun-Hyung Lee, Kiawentiio, Gordon Cormier, Elizabeth Yu, Dallas Liu, Miyako, and Ian Ousley in Avatar: The Last Airbender (2024)

Lexi Underwood and Sadie Stanley in Cruel Summer (2021)

Brigitte Siebert

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