Robert Mann is known for Black Christmas (2006), Stargate SG-1 (1997) and Welcome to Marwen (2018).

Robert Mann at an event for Black Christmas (2006)

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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

Lacey Chabert and Kristen Cloke in Black Christmas (2006)

Richard Dean Anderson, Christopher Judge, Michael Shanks, and Amanda Tapping in Stargate SG-1 (1997)

Robert Mann(VI)

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