Robert LaSardo is a Native Mexican-American character actor and former Navy sailor.

He began his career studying at the High School of Performing Arts in New York City where he became an honors student, before going on to the Stella Adler Studio of Acting. He spent four years in the U.S. Navy. For two of those years, he handled Navy attack dogs in the Aleutian Islands.

He started his acting career in 1987 with the independent film China Girl by Abel Ferrara. After several smaller roles he appeared in such TV series as The X-Files, CSI: Miami, and Nip/Tuck, most often playing bad guys, in particular drug dealers or gang leaders. He also appeared in feature films as bad guys in several movies, including Waterworld and The Mule.

He has appeared often in independent horror movies, such as in The Human Centipede 3 (Final Sequence), Autopsy, and Parlor. In 2020, he appeared in Hope for the Holidays with Sally Kirkland.

In December 2021, it was reported that he has been cast in The Legend of Jack and Diane, a feature film described as a female-led revenge thriller written and directed by Bruce Bellocchi, starring Tom Sizemore, Lydia Zelmac, David Tomlinson and Carlo Mendez. The film's producers include Bellocchi, and filming began in Los Angeles on January 17, 2022.

Due to his work in the Navy, he supports USA Cares, an organization that supports families of soldiers.

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