ActingJ. Marvin CampbellJ. Marvin Campbell is an actor.Known forCastle2009DRAMAJAG1995DRAMATwin Peaks1990DRAMADr. Quinn, Medicine Woman1993WESTERNFull filmographyCastle2009DRAMAJAG1995DRAMATwin Peaks1990DRAMADr. Quinn, Medicine Woman1993WESTERNNip/Tuck2003DRAMAQuantum Leap1989SCI-FIRay Donovan2013DRAMASaving Grace2007SCI-FIJoan of Arcadia2003SCI-FI