Lauren Graham, Rob Riggle, Adam Pally Enroll in 'Middle School' (Exclusive)

CBS Films is adapting James Patterson's bestselling book series.

Lauren Graham, Rob Riggle and Adam Pally are ready to enroll in Middle School, CBS Films' adaptation of James Patterson's bestselling book series.

CBS Films also has added Thomas Barbusca, Andrew Daly, Efren Ramirez, Isabela Moner and Alexa Nisenson to the cast of Middle School: The Worst Years of My Life. Griffin Gluck, a young actor whose credits include the film Just Go with It and TV series Private Practice and Red Band Society, was previously cast in the lead role of Rafe.

Steve Carr (Paul Blart: Mall Cop) will direct Middle School from a script by Chris Bowman, Hubbel Palmer and Kara Holden. Production is slated for later in November in Atlanta, and the film will distributed in partnership with Lionsgate on Oct. 7, 2016.

Patterson's book series, which is comprised of seven books, centers on Rafe Khatchadorian's tumultuous days as a student at Hills Village Middle School where he must use all of his wits to battle bullies, hormones and a tyrannical principal.

Graham will play Rafe’s mother Jules while Riggle will play her boyfriend Bear. Nisenson will play Rafe’s sister Georgia; Barbusca is Rafe’s best friend Leo; Moner will play Rafe’s first crush Jeanne; Ramirez is Gus; and Pally takes on the role of Rafe's favorite teacher, Mr. Teller.

Leopoldo Gout and Bill Robinson are producing while Patterson and Steve Bowen will executive produce for James Patterson Entertainment. Jeff Skoll and Jonathan King of Participant Media are also serving as executive producers along with Michael Flynn.

Patterson also is co-financing the film with Participant Media and CBS Films. Robert Kessel is overseeing for Participant, and Scott Shooman is overseeing the project for CBS Films.

“Over the years, I have had the privilege to meet countless Middle School fans, and I know that today they are just as excited as I am by this incredible cast,” said Patterson. “Speaking for everyone involved in this project, we are going to give those fans the movie that they deserve.”  

Graham, whose credits include popular TV series Parenthood and recent films Max and It’s Kind of a Funny Story, is repped by ICM Partners, John Carrabino Management and Hansen Jacobson.

Most recently seen in Let's Be Cops and Dumb and Dumber To, Riggle is repped by WME, Principato-Young, and Sloane Offer.

Pally starred on comedy series Happy Endings, and his upcoming films include comedy Dirty Grandpa with Zac Efron. He’s repped by UTA, 3 Arts and Del Shaw.

Barbusca is repped by Abrams Artists Agency and April Mill Entertainment; Daly by UTA and Principato-Young; Ramirez by Don Buchwald & Associates and Ken Jacobson Management; Moner by Cunningham Escott Slevin & Doherty and Untitled Entertainment; and Nisenson by Cunningham Escott Slevin & Doherty and Luber Rocklin.