Don O. KnowltonActingPopularity: 0IMDbWebsiteBiographyDon O. Knowlton is known for Monsters (2022), Mindhunter (2017) and Criminal Minds (2005)Recent & Upcoming7.6Monsters: The Lyle and Erik Menendez StoryDan Stanton • Sep 2024Known For8.1MINDHUNTERFather Monaghan7.6Monsters: The Lyle and Erik Menendez StoryDan Stanton5.4American AutoHedge Fund Guy7.2To the BoneJack3.0GiganticCharlie Maddock3.7BrutalDoc McCall2.0Stuck in DevelopmentTim Tuck3.9Blackwater Valley ExorcismMcCall7.0Say I DoThe Best ManDent6.8Orson Welles' Great MysteriesWriterFilmographyMovies6TV Shows6AllCast5Crew2Browse All2020sDent2010s7.2To the BoneJack2000s3.7BrutalDoc McCall3.9Blackwater Valley ExorcismMcCall7.0Say I DoThe Best Man