Ian O'Malley is known for School of Rock (2003), Patient 001 (2018) and The Hoax (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

Aleisha Allen, Jack Black, Kevin Alexander Clark, Miranda Cosgrove, Joey Gaydos Jr., Maryam Hassan, Rivkah Reyes, Caitlin Hale, and Robert Tsai in School of Rock (2003)

Mariska Hargitay in Law & Order: Special Victims Unit (1999)

Ian O'Malley(I)

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