The third season of the drama kicked off Aug. 13. The half-hour series created by Jenji Kohan airs Mondays at 10 PM (ET). Check local listings. The new season will bring another 13 episodes. Parker reprises her Golden Globe Award-winning turn as widowed suburban mother Nancy Botwin, who turned to selling marijuana to make ends meet. Kirk plays Andy Botwin, her deceased husband's brother.

The series also features series regulars Elizabeth Perkins, Tonye Patano, Romany Malco, Hunter Parrish, Alexander Gould, Andy Milder, Allie Grant and Kevin Nealon. Matthew Modine and Mary-Kate Olsen appeared as special guest stars this season with cameo appearances by Zooey Deschanel and Carrie Fisher.

Parker, last seen on the Broadway stage in the revival of Reckless, earned a Tony Award for her role in David Auburn's Proof. She will next return to the stage Off-Broadway in Dead Man's Cell Phone at Playwrights Horizons (starting Feb. 8, 2008). Other credits include Bus Stop, Communicating Doors, How I Learned to Drive, Four Dogs and a Bone, The Art of Success and The Age of Pie. She earned an Emmy Award for her role in the HBO adaptation of Angels in America and also appeared on "The West Wing." Her film work includes "Saved!," "Boys on the Side," "Red Dragon," "Fried Green Tomatoes," "Bullets Over Broadway" and more.

Kirk — who co-starred with Parker in "Angels in America" — has appeared onstage in Love! Valour! Compassion, Ten Unknowns, The World Over and Old Wicked Songs. He was also seen on film in "Puccini for Beginners," "Ask the Dust" and the screen version of "Love! Valour! Compassion."

Rolin Jones — who penned the play The Intelligent Design of Jenny Chow — serves as a writer for the series.

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