Mark Harrison is known for The Karate Kid (2010), The Troop (2009) and Parenthood (2010).

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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

Gage Golightly, Nicholas Purcell, and David Del Rio in The Troop (2009)

Bonnie Bedelia, Craig T. Nelson, Monica Potter, Joy Bryant, Erika Christensen, Lauren Graham, Sam Jaeger, Peter Krause, Mae Whitman, Dax Shepard, Max Burkholder, Miles Heizer, Tyree Brown, Savannah Paige Rae, and Xolo Maridueña in Parenthood (2010)

Mark Harrison(XV)

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