Elizabeth Olsen, Dane Dehaan and Jack Huston are joining Daniel Radcliffe in “Kill Your Darlings,” the Killer Films and Benaroya Pictures thriller that tells the story of how a murder at Columbia University in 1944 brought together the young writers who would spark the Beat Revolution.Olsen, whose profile rose dramatically this year following her turn in “Martha Marcy May Marlene,” will play Edie Parker, the wealthy art-student girlfriend of Jack Kerouac (Huston). Radcliffe will play Allen Ginsberg; Dehaan plays Lucien Carr, a classmate of Ginsberg’s for whom he develops feelings. Killer Films’ Christine Vachon, Michael Benaroya of Benaroya Pictures and Rose Ganguzza of Rose Pictures are producing from a script by John Krokidas, who will also make his feature directorial debut. Lensing is set to begin March 12 in New York at Columbia University. Olsen, whose resume was spare before bursting onto the scene at last year’s Sundance Film Fest with “Martha Marcy May Marlene,” will return to Park City this year with the paranormal drama “Red Lights.” She also has “Silent House,” “Liberal Arts” and “Peace, Love & Misunderstanding” with Jane Fonda and Catherine Keener on the way. DeHaan, who stars in the HBO series “In Treatment,” will soon be seen in Fox’s supernatural thriller “Chronicle” next month. Huston’s credits include “The Twilight Saga: Eclipse,” and he was most recently seen on HBO’s “Boardwalk Empire.” Olsen is represented by Gersh; DeHaan is represented by CAA and The Schiff Company; and Huston is represented by UTA.