Mary Steenburgen has joined the cast of “Orange Is the New Black” for season three.

The actress broke the news with a tweet on Friday morning.

“OITNB” was created by Jenji Kohan and stars Taylor Schilling. Production for the 13-episode third season is already underway. Season two premiered on Netflix on June 6.

Steenburgen is represented by UTA and Management 360.

SEE ALSO: ‘Orange Is the New Black’ Premiere: Jenji Kohan Talks Season 2, Natasha Lyonne Reveals Best Thing About the Show