Michael O'Halloran is known for For All Mankind (2019), Outlander (2014) and Cosmos: A Spacetime Odyssey (2014).

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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

Caitríona Balfe, Sam Heughan, Claire Fraser, and Jamie Fraser in Outlander (2014)

Mary McDonnell, Edward James Olmos, Jamie Bamber, James Callis, Aaron Douglas, Michael Hogan, Grace Park, Katee Sackhoff, and Tricia Helfer in Battlestar Galactica (2004)

Motion Picture Editors Guild, IATSE Local 700

Michael O'Halloran(II)

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