- Mark Margolis
- Philadelphia, Pennsylvania, USA
- November 26, 1939
Mark Margolis is an American actor. He is noted for his supporting roles in Scarface and the films of Darren Aronofsky: Pi, Requiem for a Dream, The Fountain, The Wrestler, and Black Swan. He has had recurring roles on numerous TV shows, including The Equalizer, Quantum Leap, Oz, Law & Order, Crossing Jordan, Californication, and Breaking Bad.