John O'Mahony is known for Babel (2006), Dirty Filthy Love (2004) and Law & Order: UK (2009).

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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

Shirley Henderson in Dirty Filthy Love (2004)

Jamie Bamber, Ben Daniels, Robert Glenister, Bill Paterson, Bradley Walsh, Harriet Walter, and Freema Agyeman in Law & Order: UK (2009)

Arfur Gregorio / Dead Myconid / Gekh Coal / Various

John O'Mahony(I)

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