James Franco, actor, director, writer, teacher and the star of the new film, “The Adderall Diaries,” thrives on the variety of his multiple pursuits and has no plans to narrow his focus. “The Adderall Diaries,” which is based on the 2009 true-crime memoir by author Stephen Elliott and premiered at the Tribeca Film Festival, was the first book Franco optioned to make into a film. The two previously collaborated on “The Color of Time” about the life of poet C.K.
