An actress who has been a part of a popular CBS drama series is leaving the show. Bebe Neuwirth announced her departure from “Madam Secretary” in a series of tweets, commenting that the show had written “a beautiful exit” for her character.

Neuwirth has been playing Nadine Tolliver, chief of staff to Tea Leoni’s Elizabeth “Bess” Adams McCord, since the show premiered in 2014.

Neuwirth is a familiar face on television, going back to her role as Lilith on “Cheers” and “Frasier.”

Here’s a look at her tweets …