Casey Affleck in "The Kind One" Adaptation

Casey Affleck (Gone Baby Gone) is attached to star in period noir drama "The Kind One," based on the just-published novel by Tom Epperson. Epperson will adapt his novel when the WGA strike is over.

Story, set in the 1930s Los Angeles, centers on an amnesiac (Affleck) who finds himself working for a mobster -- a sadistic killer given the nickname "the Kind One" -- and falling in love with the thug's girlfriend.

Epperson frequent collaborates with his boyhood friend Billy Bob Thornton. They co-wrote the screenplays for "One False Move," "A Family Thing" and "The Gift." "The Kind One," which marks his literary debut, was published January 22nd by Five Star.