Gary Anthony Williams (born March 14, 1966) is an American actor, comedian and filmmaker. He has voiced the character Uncle Ruckus on The Boondocks, General Horace Warfield in StarCraft II: Wings of Liberty and Dr. Richard Tygan in XCOM 2, portraying Anton "Bebop" Zeck in Teenage Mutant Ninja Turtles: Out of the Shadows. He has also appeared on shows such as Boston Legal, I'm Sorry, Malcolm in the Middle and The Soul Man. He was a cast member on the sketch comedy series Blue Collar TV and currently the improv comedy series Whose Line Is It Anyway?. He is also a co-founder of the L.A. Comedy Shorts Film Festival.

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