Grey will play a patient suffering from dementia. Also set to guest star on the fourth season is Rosie Perez (The Ritz, Reckless), who will play another patient at All Saint's. "Nurse Jackie" stars Edie Falco, who was last seen on Broadway in The House of Blue Leaves. The series also features stage actors Eve Best (The Homecoming), Dominic Fumusa (Wait Until Dark) and Anna Deavere Smith (Twilight: Los Angeles, 1992).
Grey won the Tony Award in 1967 for his performance in Cabaret and was nominated for his performances in George M!, Goodtime Charley and The Grand Tour. He has also been seen on Broadway in Wicked, Chicago and Half a Sixpence, among others, and co-directed the Tony-winning play The Normal Heart.
"Nurse Jackie" will return to Showtime in 2012. For more information, click here.