Joanna Merlin
Joanna Merlin was an American actress and casting director who worked with Stephen Sondheim and starred in the original Broadway production of Fiddler on the Roof. She wrote two acting guides and was a faculty member of New York University's graduate acting program. From 2000 to 2011, she was known for her recurring role on Law & Order: Special Victims Unit as Judge Lena Petrovsky.