Mark Margolis

Description   [from Freebase]

Mark Margolis (born 26 November 1939) is an American actor who has been appearing in films since 1976. Margolis went to Temple University briefly before moving to New York City, where he studied drama with Stella Adler and at the Actors Studio. He is noted for his supporting roles in Scarface and the films of Darren Aronofsky: π, Requiem for a Dream, The Fountain, The Wrestler, and Black Swan. Aronofsky wrote the role of Father Avila in The Fountain specifically for Margolis. He has had recurring roles on numerous TV shows, including The Equalizer, HBO's Oz, Law & Order, Crossing Jordan and most recently Showtime's Californication and AMC's Breaking Bad. He also appeared in a first season episode of Quantum Leap. In 1991, he also played Helmut Dieter in soap opera Santa Barbara.
Portions from Freebase, licensed under CC-BY and Wikipedia licensed under the GFDL