Siobhan McCarthy is known for She's the He (2025), Biosphere (2022) and Our Effed Up World (2026).

Siobhan McCarthy at an event for She's the He (2025)

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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.

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Streaming Stars, Then and Now

Vic Brandt, Siobhan McCarthy, Halley Albert, and Misha Osherovich

Vic Brandt, Siobhan McCarthy, Halley Albert, and Misha Osherovich at an event for 41st Film Independent Spirit Awards (2026)

Siobhan McCarthy at an event for 41st Film Independent Spirit Awards (2026)

Tatiana Ringsby, Siobhan McCarthy, Nico Carney, Malia Pyles, Kyle Butenhoff, Misha Osherovich, and Emmett Preciado at an event for She's the He (2025)

Mark Duplass and Sterling K. Brown in Biosphere (2022)

Siobhan McCarthy(IV)

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