Seann Gallagher is known for Hannibal (2013), The Comey Rule (2020) and Law & Order: Special Victims Unit (1999).

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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

Still of Seann Gallagher and Maggie Q in Nikita

Still of Seann Gallagher, Hugh Dancy and Laurence Fishburne in Hannibal

Jeff Daniels and Brendan Gleeson in The Comey Rule (2020)

Mariska Hargitay in Law & Order: Special Victims Unit (1999)

Kiefer Sutherland in Designated Survivor (2016)

Seann Gallagher

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