Acclaimed film, television and stage actor Mark Feuerstein (Royal Pains) is signing on as a recurring guest star in six episodes of Nurse Jackie, the original Showtime comedy series starring Edie Falco as a flawed emergency room nurse. Feuerstein will play Barry Wolfe, a high-powered, cutthroat lawyer who will represent Jackie as she pieces her life back together following her arrest last season. He joins recently announced recurring guest star Tony Shalhoub in the series' seventh and final season, which is currently in production in New York.

Mark Feuerstein stars as Hank Lawson in the hit series Royal Pains, which just completed its sixth season. Currently, he is working on the indie film Meadowland opposite Natasha Lyonne, Olivia Wilde and Luke Wilson. Over the past ten years, Mark has received critical acclaim for his roles in film, television and theater. He was in Edward Zwick's World War II epic Defiance opposite Daniel Craig and Liev Schreiber, as well as Curtis Hanson's In Her Shoes opposite Toni Collette, Cameron Diaz and Shirley MacLaine. Additional film credits include Abandon, What Women Want, The Muse, Rules of Engagement, Woman On Top and Practical Magic. Feuerstein can next be seen in the independent films, In Your Eyes written by Joss Whedon and is the male lead in Larry Gaye: Renegade Male Flight Attendant, which he also produced.

Feuerstein has also appeared regularly on the small screen. He starred opposite Stanley Tucci in the drama 3 lbs., as well as Good Morning, Miami, Conrad Bloom and Fired Up. Additional television credits include The West Wing, Once and Again and Sex and the City.

Feuerstein made his Broadway debut starring in Alfred Uhry's Tony Award-winning play "The Last Night of Ballyhoo." He was on stage for two hours straight at the Geffen Theatre in "Some Girls," written and directed by Neil LaBute. Feuerstein also played to sold out audiences and garnered amazing reviews for his performance as a Hollywood bottom feeder in Roger Kumble's dark comedy "Turnaround." Additionally, his extensive theater resume includes performances in "Twelfth Night," "Awake & Sing," "Dark Rapture," "The Misanthrope," "Macbeth," "Three Sisters," "A Streetcar Named Desire" and "King Lear."

Nurse Jackie also stars Merritt Wever, Paul Schulze, Dominic Fumusa, Anna Deavere Smith, Stephen Wallem, Betty Gilpin, Ruby Jerins, Mackenzie Aladjem and Peter Facinelli. Clyde Phillips serves as showrunner and executive producer. Tom Straw, Richie Jackson, Liz Flahive and Caryn Mandabach also executive produce. Nurse Jackie is a co-production between Showtime and Lionsgate.