Cast members Shailene Woodley and Theo James pose at the premiere of "Divergent" in Los Angeles
Cast members Shailene Woodley and Theo James pose at the premiere of "Divergent" in Los Angeles, California in this file photo taken March 18, 2014. "Divergent," a dystopian thriller based on the young adult book series by newcomer author Veronica Roth, stars Shailene Woodley and was released last month, grossing $116.6 million so far at the U.S. box office. REUTERS/Mario Anzuoni/Files REUTERS/Mario Anzuoni/Files

"Insurgent" finds its Lynn and Uriah. The official Twitter account of "Divergent" confirmed the recent casting of "Parenthood" star Rosa Salazar and Australian actor Keiynan Lonsdale, both officially set to join Shailene Woodley and Theo James in the upcoming dystopian movie.

According to a recent tweet, which can be viewed at the bottom of this article, from the official "Divergent" series Twitter account @Divergent, "Parenthood" star Rosa Salazar has been cast to play Lynn, a Dauntless-born initiate known for her shaved head.

Salazar is best known for her role in the TV series "Parenthood" where she played as Zoe.

The "Parenthood" star is set to join another new addition to the cast of "Insurgent" Australian actor Keiynan Lonsdale, also announced by the official Twitter account of the "Divergent" series. The Aussie actor is set to play Uriah, Lynn and Marlene's (Suki Waterhouse) best friend.

Lonsdale followed Salazar's casting after fans of "Insurgent" showered the "Divergent" Twitter account with requests to cast Uriah. Lonsdale is best known for his role in the Australian TV series "Dance Academy" as Ollie.

Rosa Salazar, Keiynan Lonsdale and Suki Waterhouse are all confirmed to join the Dauntless faction. Dauntless is one of the five factions Veronica Roth created said to be dedicated to courage, bravery and fearlessness.

Salazar and Lonsdale's casting followed Daniel Dae Kim and Naomi Watts' who have also been confirmed to join the cast of "Insurgent" as Jack Kang, leader of the Candor faction, and Evelyn, leader of the Factionless, respectively.

Other new additions to the cast of "Insurgent" that have been previously confirmed are Olivia Spencer (Johanna, leader of the Amity faction), "The Hunger Games" star Stephanie L. Schlund (character unconfirmed, member of the Amity faction) and Jonny Weston (character unconfirmed).

The new casts are set to join the returning cast of the "Divergent" sequel: Shailene Woodley, Theo James, Kate Winslet, Miles Teller, Ansel Elgort, Jai Courtney and Zoe Kravitz.

The "Divergent" sequel "Insurgent" is reportedly set for a movie release on March 20, 2015, followed by the third installment "Allegiant, which will be split into two parts set for a 2016 and 2017 movie release.

Here are the casting announcement from the official Twitter account of "Divergent," starring Shailene Woodley and Theo James:

#Divergent Fan Exclusive! You asked. We listened. @KeiynanLonsdale is Uriah in The Divergent Series: #Insurgent! pic.twitter.com/ndXAN6nY68 — Divergent (@Divergent) June 10, 2014

Meet Lynn (Rosa Salazar) of The @Divergent Series: #Insurgent! pic.twitter.com/wABrF8UUew

— Divergent (@Divergent) June 9, 2014