He is best known for his roles as Arvin Sloane on the spy drama Alias and as Saul Holden on the American family drama Brothers & Sisters. In 2001, his association with Touchstone Television began when he played a ruthless intelligence agent Arvin Sloane in Alias, opposite Jennifer Garner. Until 2011, he played second-in-command businessman Saul Holden on Brothers & Sisters, opposite Sally Field.
He also played Bonnie Franklin"s second boyfriend on One Day at a Time.
Rifkin has enjoyed a long and distinguished career in film, on stage, and in television His association with writer Jon Robin Baitz has been especially fruitful.
The following year he performed in Baitz"s Three Hotels, for which he received a second Lucille Lortel and Drama Desk nomination. In 1996, he starred in the film version of Substance.
In 2002, he appeared in the Baitz play Ten Unknowns at Boston"s Huntington Theatre.
In 2004, he starred in his play, The Paris Letter at the Kirk Douglas Theatre in Los Angeles, a role he reprised the following year at the Laura Pels Theatre in New York City. And appeared in the American Broadcasting Company drama series Brothers & Sisters, which Baitz created, as a character named Saul, Rifkin"s real-life name. Additional theatre credits include David Hirson"s Wrong Mountain, Arthur Miller"s Broken Glass, Ivan Turgenev"s A Month in the Country, and Neil Simon"s Proposals.
Confidential (1997), The Negotiator (1998), Boiler Room (2000), Keeping the Faith (2000), The Majestic (2001), Dragonfly (2002), The Sum of All Fears (2002), and Pulse (2006).
On television, Rifkin has appeared in numerous made-for-television movies and miniseries, had regular roles on The Rockford Files, One Day at a Time, Husbands, Wives & Lovers, The Trials of Rosie O"Neill, and Alias, and has made guest appearances on a number of series, including Mary Tyler Moore, Sex and the City, The Bob Newhart Show, Emergency Season 2 (1995) as Doctor Carl Vucelich in seven episodes, Law & Order, A Nero Wolfe Mystery, in Falcon Crest as Doctor Hal Lantry in the third season (1983), Soap, Hill Street Blues, and The Outer Limits, for which he received a CableACE nomination. Rifkin is the reader for a number of audiobooks including The Giver by Lois Lowry (1993), Sang Spell by Phyllis Reynolds Naylor (1998), and Milkweed by Jerry Spinelli (2003).
He currently portrays Defense Attorney Marvin Stan Exely on Law & Order: Special Victims Unit, as a recurring character. He also currently stars in Limitless as Brian Finch"s father Dennis Finch and appears in Gotham as Father Creel.
Married Iva Rifkin, 1966.