Mark D. WalkerWritingNo biography available.Known For6.9Uncharted2022Fan ClubNo Nerds have favorited Mark D. Walker yet — be the first.All fan clubsFrom NerdspinFilmographyWriting42022UnchartedFilmScreenstory★ 6.92011More Than You Can ChewFilmWriter★ 5.52011More Than You Can ChewFilmStory★ 5.52010BlackBoxTV PresentsTVWriter • 1 episodes★ 5.8
