Jarrett Knowles is known for Fringe (2008), When Calls the Heart (2014) and Smallville (2001).

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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

Kevin McGarry and Erin Krakow in When Calls the Heart (2014)

Jensen Ackles and Jared Padalecki in Supernatural (2005)

Jarrett Knowles

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