Mena Suvari will star with Jack Huston, Caterina Murino and Richard E. Grant in “The Garden of Eden,” a John Irvin-directed adaptation of an Ernest Hemingway novel.Hemingway died before finishing the novel, which was published in 1986. Story is set in the pre-Depression jazz age. A wartime pilot-turned-writer (Huston) and his new wife (Suvari) embark on an extended honeymoon in Europe; she becomes restless and tests her husband’s devotion in unusual ways. One is to bring a sultry Italian girl (Murino) into their bedroom. Pic, produced by U.K.-based Berwick Street Prods., is shooting in Spain. Tim Lewiston wrote the script; Omega Entertainment is the film’s sales agent.