 He also performed in numerous off-Broadway theater productions, including an appearance as Marc Antony in Joseph Papp's 1979 production of William Shakespeare's "Julius Caesar".Sánchez' film appearances include Frank Perry's "David and Lisa" (1962), Sidney Lumet's "The Pawnbroker" (1964), Cornel Wilde's "Beach Red" (1967) and Sam Peckinpah's "The Wild Bunch" (1969).He also had two different roles in both Brian De Palma's Carlito's Way (1993) and its 2005 prequel, , directed by Michael Bregman.