Well, yes and no. In Sunday’s fifth season premiere of Nurse Jackie, O’Hara (Eve Best) dropped a bombshell on her BFF (and us!): She’s taking her son and moving back to London. Does that mean Jackie’s main support system since season one is out of the picture and, worse, off the show? A series insider tells Vulture that while Best will technically remain a series regular this season, the actress, like her character, wanted to relocate back to the U.K. Fortunately before she left, producers were able to film a couple of cameo-length appearances that will air through the remainder of the season. “There is little in life as precious as a true best friend,†Nurse Jackie executive producer Clyde Phillips told us when asked for comment. “If someone really is that, she will always find a way back into your life.â€