'...The one irritating thing about “High Maintenance” is that you don’t know who’s coming or going: The series opens with a scene involving a Russian barber ( Ethan Herschenfeld), who with broad hilarity sets about trimming The Guy’s thinning hair and what little vanity he’s able to maintain. Will the barber return?' 
http://www.wsj.com/articles/high-maintenance-review-brooklyn-blunts-and-brains-1473978621