HBO has rounded out its cast for limited series Big Little Lies, starring Nicole Kidman and Reese Witherspoon.

Alexander Skarsgard (True Blood) and James Tupper (Revenge) have been cast as male leads opposite Kidman and Witherspoon, and Shailene Woodley, who was reported to have been in talks, has now closed her deal. They join previously announced Laura Dern, Adam Scott, Zoë Kravitz and Kathryn Newton.

Jeffrey NordlingSArah Baker 2Additional new cast members are Jeffrey Nordling (Desperate Housewives), Santiago Cabrera, P. J. Byrne, Kelen Coleman, Sarah Burns, Darby Camp, Cameron and Nicholas Crovetti, Ivy George, Chloe Coleman, Virginia Kull, Sarah Baker (The Good Lie), Kathreen Khavari, Larry Bates, Hong Chau and Gia Carides.

Big Little Lies will be an adaptation of Liane Moriarty’s 2014 darkly comic novel about three mothers of kindergartners –Celeste (Kidman), Madeline (Witherspoon) and Jane (Woodley)— whose apparently perfect lives unravel to the point of murder. Jean-Marc Vallée is directing.

Woodley’s Jane is a single mom of modest means and a mysterious past, Jane is new to not only Monterey but to the complicated social hierarchy of Mesa Elementary School, where her son is a student. Skarsgård is Perry Wright: One half of the seemingly perfect Monterey couple, alongside his wife Celeste (Kidman), Perry is a successful businessman, loving father and devoted husband. Tupper will play Nathan Carlson: Ex-husband of Madeline (Witherspoon), he is married to a beautiful and younger yoga instructor, Bonnie (Kravitz) and faces the challenges of co-parenting a teenage daughter along with his ex.

Nordling plays Gordon Klein, a high-powered executive, married to Renata (Dern). Cabrera plays Joseph Bachman: He runs the local Monterey theatre company and has an extramarital affair with Madeline (Witherspoon); P. J. Byrne is Principal Warren Nippal who runs the school in Monterey; Camp is Chloe Mackenzie: 7-year-old daughter of (Witherspoon); Cameron and Nicholas Crovetti are Max & Josh Wright: 7-year-old twin sons of Celeste and Perry (Kidman and Skarsgård); George is Amabella Klein: 7-year old daughter of Renata and Gordon (Dern and Nordling); Chloe Coleman plays Skye Carlson: 7-year-old daughter of Nathan and Bonnie (Tupper and Kravitz); Kull is Ms. Emily Barnes, first grade school teacher;  Kelen Coleman, Burns, Baker, Khavari, Bates, Hong Chau, and Carides are Monterey parents.

Tupper is repped by Untitled Entertainment, United Talent Agency and Jackoway Tyerman. Nordling is repped by APA. Baker is with Pakula/King & Associates and 3 Arts. Khavari is repped by TCA/Jed Root and Circle of Confusion.