Jason Schwartzman has carved out a nice little niche playing insecure, anxiety-riddled authors. From the fictional, floundering Jonathan Ames in “Bored to Death” to the heartsick Jack in “The Darjeeling Limited” (which Schwartzman wrote with Wes Anderson and Roman Coppola) to the abrasive titular novelist in “Listen Up Philip,” Schwartzman nails the neuroses of the lonely, isolated world of writers.