Oscar winner Julianne Moore and Stranger Things star Finn Wolfhard are attached to play mother and son in the indie movie When You Finish Saving the World, which will mark the directorial debut of Jesse Eisenberg. Emma Stone and her fiancé Dave McCary (Brigsby Bear) will produce the film with Moore, and CAA Media Finance will arrange the financing and handle worldwide sales. Eisenberg is writing the script, which is based on his upcoming Audible Original of the same name, though the film's plot will diverge somewhat from the audio series. Set over three decades, the six-part series …