Ariel Sienra is known for Potestad (2002), Killing Grandpa (1993) and Los extermineitors (1989).

Second Unit Director or Assistant Director

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"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.

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Streaming Stars, Then and Now

Emilio Bardi, Mirta Busnelli, Lidia Catalano, Inés Estévez, Federico Luppi, Laura Novoa, Alberto Segado, Tina Serrano, and Atilio Veronelli in Killing Grandpa (1993)

Extermineitors II: La venganza del dragón

Extermineitors II: La venganza del dragón (1990)

Ariel Sienra

Known for

Credits

Second Unit or Assistant Director

Writer

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