Grainne McCormack is known for Anniversary (2025), Flora and Son (2023) and Rose's War (2023).

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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

Diane Lane, Kyle Chandler, Zoey Deutch, Phoebe Dynevor, Dylan O'Brien, Mckenna Grace, Madeline Brewer, and Daryl McCormack in Anniversary (2025)

Dervla Kirwan, Gemma-Leah Devereux, Seána Kerslake, and Niamh Walsh in Smother (2021)

Grainne McCormack

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