Marc Gallagher is known for Halloween II (2010), Mortis (2008) and Happy Halloween (2020).

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&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.

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Marc Gallagher(II)

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