HomePeople Biography and filmographyJohn Placencia Biography unavailable on TMDB. Movies (5)TV shows (0) Movies (5) InterferenceInterference2014 · Actor Bar UnionBar Union2014 · Editor How to Be a Serial Killer2009 · Assistant Editor Zathura: Una aventura espacial2005 · Video Assist Operator La Isla2005 · Video Assist Operator TV shows (0) No credits available.