Ron Rifkin won the Tony Award for Best Featured Actor in a Musical for his portrayal of Herr Schultz in the acclaimed 1998 revival of Cabaret. His additional Broadway credits included The Substance of Fire, in which he originated the role of Isaac Geldhart, and the 2003 revival of Neil Simon's The Prisoner of Second Avenue.
On television, Rifkin earned widespread recognition for his portrayal of the enigmatic Arvin Sloane on the ABC series Alias, a role he inhabited throughout the show's five-season run. He also appeared in Brothers & Sisters and numerous other film and television productions.