Gregory Sims was born on 8 July 1971. He is an actor and writer, known for Real Steel (2011), Cult Classic! (2025) and Grand Theft Auto: Vice City (2002). He has been married to Kimberly Atkinson since 29 October 2011.

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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

Chris O'Donnell, Gregory Sims, and Daniela Ruah in NCIS: Los Angeles (2009)

LOS ANGELES, CA - JUNE 1: Leon Russom, Larry Cedar, Gregory Sims and Kimberly Atkinson attend "The Midnighters" Screening at the 20th Annual Dances With Films Festival in Los Angeles on June 1, 2017 in Los Angeles, California. 

LOS ANGELES, CA - JUNE 1: Leon Russom, Eve Mauro, Julian Fort and Gregory Sims attend "The Midnighters" Screening at the 20th Annual Dances With Films Festival in Los Angeles on June 1, 2017 in Los Angeles, California. 

LOS ANGELES, CA - JUNE 1: Leon Russom, Eve Mauro and Gregory Sims attend "The Midnighters" Screening at the 20th Annual Dances With Films Festival in Los Angeles on June 1, 2017 in Los Angeles, California. 

Gregory Sims and Kimberly Atkinson attend "The Midnighters" Screening at the 20th Annual Dances With Films Festival in Los Angeles on June 1, 2017 in Los Angeles, California. 

Fairuza Balk, Ray Liotta, Tom Sizemore, Luis Guzmán, and Philip Michael Thomas in Grand Theft Auto: Vice City (2002)

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

Gregory Sims(I)

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