Daily news dose: UA to adapt 'Heartbreakers;' three more join 'Get Him to the Greek'

Here's your dose of film news for April 15, 2009:

• United Artists is developing a big-screen adaptation of Pamela Wells' popular novel "The Heartbreakers," which focuses on four best friends who come up with a set of rules to get any man they want and prevent breakups. The project will be retitled "Rules of Dating for Teenage Girls." (The Hollywood Reporter)

• Elisabeth Moss, Sean Combs and Rose Byrne have signed on to star in Universal's Nicholas Stoller-directed "Get Him to the Greek," which follows a record-company intern (Jonah Hill) who has to set up a Los Angeles gig for a crazy London rock star (Russell Brand). Combs plays his boss, with Moss playing his girlfriend. (THR)

• Charlotte Rampling, Sally Hawkins, Nathalie Richard and Andrea Riseborough have signed on to star alongside Keira Knightley in Fox Searchlight's upcoming sci-fi thriller "Never Let Me Go," which Mark Romanek will direct. The plot centers on three people who grew up in isolation in a boarding school and later discover who they really are. (Variety)

• "Twilight" actor Cam Gigandet has joined Leighton Meester in "The Roommate," about a college student whose new roommate goes nuts and starts targeting people in her life. Sonny Mallhi wrote the script. Gigandet is set to play Meester's boyfriend. (Variety)

Keira Knightley to star in 'Never Let Me Go'

Keira Knightley has signed on to join Andrew Garfield and Carey Mulligan in Fox Searchlight's upcoming sci-fi thriller "Never Let Me Go."

According to Variety, the plot centers on three people who grew up in isolation in a boarding school and discover they are clones created only for the purpose of organ donation.

Mark Romanek, whose credits include "One Hour Photo," will direct a script by Alex Garland ("Sunshine").

The trade said the film will head into principal photography in April.

Knightley was last seen in "The Duchess." She has plenty of projetcs coming up, including "Last Night," "London Boulevard" and "King Lear."

Garfield's credits include "Lions for Lambs" and "The Other Boleyn Girl." Mulligan will soon be seen in "Public Enemies" and "Brothers."