Guillermo Alonso is known for Billy the Kid (2022), Criminal Minds (2005) and 9-1-1 (2018).

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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

Guillermo Alonso, Vico Escorcia, and Joshua Okamoto

Guillermo Alonso and Dakota Daulby at the Beverly Hills Film Festival

Angela Bassett, Jennifer Love Hewitt, Kenneth Choi, Aisha Hinds, Oliver Stark, and Ryan Guzman in 9-1-1 (2018)

Mark-Paul Gosselaar, Kelli Williams, Arlen Escarpeta, Shanola Hampton, Karan Oberoi, Brett Dalton, and Gabrielle Walsh in Found (2023)

Guillermo Alonso(VI)

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