Rifkin won the 1998 Tony Award for best supporting actor in the Broadway revival of Cabaret. He presently stars when Arvin Sloane in the American television series Alias (2001-present).

He is married to Iva Rifkin.

Selected work
Film
Silent Running (1972) The Sunshine Boys (1975) The Big Fix (1978) The Sting II (1983) JFK (1991) Husbands and Wives (1992) Manhattan Murder Mystery (1993) Wolf (1994) Last Summer in the Hamptons (1995) Substance of Fire (1996) L.A. Confidential (1997) The Negotiator (1998) Boiler Room (2000) Keeping the Faith (2000) The Majestic (2001) Dragonfly (2002) The Sum of All Fears (2002)

Stage
Substance of Fire (1989) Three Hotels (1991) Broken Glass (1994) A Month in the Country (1995) Proposals (1997) Wrong Mountain (2000) The Paris Letter (2005)

Television
Soap (1978) One Day at a Time (1980-1981) The Winds of War (1983) Concealed Enemies (1984) Evergreen (1985) Dress Gray (1986) ''The Trials of Rosie O'Neill (1990-1992) The Sunset Gang (1991) ER (1995-1996) Norma Jean and Marilyn (1996) The Outer Limits (1997-1998) Flowers for Algernon (2000) Deliberate Intent (2000) A Nero Wolfe Mystery (2001) Alias'' (2001-present)