Marc Gallagher is known for The Followers (2023), Lady Nightmare (2023) and Goodall & Gallagher (2015).

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Get a closer look at some of Hollywood's perfect pairs.

Hollywood Power Couples

Get a closer look at some of Hollywood&#39;s perfect pairs.

"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

Gallagher / Hayden / Victim / Boyfriend / Dr. Gallagher

Luke Goodall and Marc Gallagher in Goodall & Gallagher (2015)

Marc Gallagher(I)

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