Katarina Mueller is known for School Spirits (2023), He's Not Worth Dying For (2022) and The Baby-Sitters Club (2020).

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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

Peyton List, Katarina Mueller, Alison Thornton, Rainbow Wedell, and Nick Pugliese in School Spirits (2023)

Katarina Mueller, Alison Thornton, and Rainbow Wedell in School Spirits (2023)

Katarina Mueller and Alison Thornton in School Spirits (2023)

Lachlan Quarmby, Hilda Martin, and Rachel Boyd in He's Not Worth Dying For (2022)

Momona Tamada, Malia Baker, Xochitl Gomez, Shay Rudolph, and Sophie Grace in The Baby-Sitters Club (2020)

Katarina Mueller

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