JD CullumActingMarch 1, 1966 (60 years old)New York City, New York, USAPopularity: 1IMDbBiographyJohn David "JD" Cullum (born March 1, 1966) is an American actor who made his film debut in the CBS Afternoon Playhouse Special Revenge of the Nerd in 1983, playing a jock.Also Known AsJ.D. Cullum • John David CullumKnown For8.2Grey's AnatomyLloyd8.4The MentalistGordon Bradovich7.3Law & OrderBob8.2BonesGlenn Durant7.824Bruce Margolis7.5NCIS: Los AngelesMark Collins8.2CharmedDemon8.4Star Trek: The Next GenerationToral7.7FrasierDonald8.1Mad MenGeorge Casey7.8The CloserStuart7.7Married... with ChildrenDr. KesslerPhotos of JD CullumFilmographyMovies16TV Shows28AllCast16Crew1Browse All2010s10.0The Turner ExhibitAnthony Turner6.1The Lone RangerWendellJason's Big ProblemDr. Baum2000s5.9LeatherheadsLeonard7.5ZodiacDirector7.1Good Night, and Good Luck.Stage Manager10.0ShaftedLaurence St. Lawrence1990s7.5The PromSebastian4.3AmbitionJack6.0Providence6.6Reversal of FortuneJohn1980s7.5GloryHenry Sturgis Russell5.1Morgan Stewart's Coming HomeGarrett6.2The Manhattan ProjectEccles (as John David Cullum)5.4Willy/MillyTom