Mark Margolis was an American actor.

Margolis was known for his portrayal of the character Hector Salamanca in Breaking Bad and Better Call Saul. His performance in Breaking Bad was nominated for an Emmy Award in 2012.

Margolis also had recurring roles on The Equalizer, Santa Barbara, Law & Order, Oz, and Person of Interest.

Other television credits include Quantum Leap, Star Trek: The Next Generation, The Practice, Sex and the City, Crossing Jordan, Californication, Blue Bloods, The Good Wife, and The Blacklist.

Margolis died August 3, 2023, in New York City, New York. He was 83.