Joanna Merlin

Merlin made her first screen appearance in Cecil B. DeMille's film The Ten Commandments in 1956. Five years later, she made her Broadway debut in Becket before playing Tzeitel in Harold Prince's production of Fiddler on the Roof. She left the cast of Fiddler on the Roof before the end of its tour to take care of her two small children but Harold Prince gave her the opportunity to become involved in casting with a more flexible schedule. Company was the first musical for which Merlin served as the casting director. She was also in charge of casting for such plays as Follies, Evita and Sweeney Todd.

In 1986, she served as casting director for the John Carpenter film, Big Trouble in Little China.

After making appearances in several feature films, including the movie Fame, in which she played Miss Olivia Berg, a classical dance teacher; Merlin appeared in the NBC crime drama Law & Order in 1992 as a defense attorney. Like many actors from that show, she went on to play other characters in the Law & Order franchise - another defense attorney in the original show and a more recurring role as Judge Lena Petrovsky, a judge who was very stern, by-the-book, and has scolded or sanctioned, at various times, ADAs Casey Novak (Diane Neal) and Alexandra Cabot (Stephanie March) and Detective (now Lieutenant) Olivia Benson (Mariska Hargitay), in its first spin-off Law & Order: Special Victims Unit. In the latter role, she appeared in every season between the years 2000 and 2011.

In 2001, Joanna Merlin wrote Auditioning: An Actor-Friendly Guide and in 2007, shared her knowledge of the theatre industry in the instructional video Master Classes in the Michael Chekhov Technique. She teaches in New York University's graduate acting program at the Tisch School of the Arts and in 1999, founded the Michael Chekhov Association where she teaches acting workshops.