Caption: Still of Mark Margolis in Pi (1998)
Born: November 26, 1939
Star sign: Sagittarius
Height: 5' 10¾" (1.8 m)
Known for: The Wrestler (2008), Pi (1998), Requiem for a Dream (2000), Black Swan (2010)
He was born in Philadelphia, Pennsylvania, in 1939 and attended Temple University briefly before moving to New York where he studied drama with Stella Adler and at Actors Studio.