Gregg DiamontActingNo biography available.Known ForRyan Defrates: Secret Agent2017Fan ClubNo Nerds have favorited Gregg Diamont yet — be the first.All fan clubsFrom NerdspinFilmographyActor2Production12017Ryan Defrates: Secret AgentTVGigahert (voice) • 12 episodes1991Treasure Attic - Christmas FriendsFilmBunny Bigword
