Robert Grasmerea.k.a. Robert H. Grasmere Jr.This product uses the TMDb and OMDb APIs but is not endorsed or certified by either TMDb or OMDb.You can also find this person on TMDb.org and IMDb.com.GendermaleCreditsCrewDepartmentJobMovie / TV ShowGenresReleaseRatingVisual EffectsVisual Effects SupervisorBooksmartComedy24 May 201970% · 2,929SaltActionMysteryThriller21 Jul 201064% · 6,090The Bone CollectorCrimeDramaMysteryThriller4 Nov 199968% · 4,014Patriot GamesActionCrimeDramaThriller4 Jun 199267% · 1,896All credits on TMDb.org.