It's time to say goodbye to Orange is the New Black.
In addition to Schilling, the show stars Laura Prepon, Uzo Aduba, Danielle Brooks, Natasha Lyonne, and Kate Mulgrew.
The finale, 2019 season dates have not been announced yet.
Orange Is the New Black is quickly approaching the end of the line, and the cast is pretty emotional about it.
Uzo, who plays Susan Warren aka Crazy Eyes, said in a heartfelt message: 'I'm so grateful for the fun times, the knowledge, the friendships, the love, the family that we have created together.
"It is a season you will not forget", she said.
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'The final season is coming, ' said Schilling, who plays protagonist Piper in the groundbreaking prison series.
Announced via a twitter video that features the cast talking up what the show has meant to them, the show, which received a three-season renewal before its fourth season premiere, is ready to leave our screens.
"I will miss all the badass ladies of Litchfield and the incredible crew we've worked with". "And we're going to give you everything and more than you could have ever wanted".
Look for the final season of Orange Is the New Black in 2019.
The show has received widespread critical acclaim throughout its run, garnering multiple Emmy nominations and back-to-back wins for Aduba in 2014 and 2015.
While some of the show's seasons have proven more divisive than others, "Orange is the New Black" has been on the receiving end of consistent critical praise over the years, most of which usually focuses on highlighting the strong performances of its cast.