Acting
J. Marvin Campbell is an actor.
Frank Embree
Ruby
Bus Counter Tender
Xtro 3: Watch the Skies
Biber
Shiloh Falls
Wyatt (as Marvin Campbell)
Amanda & the Alien
Guard
Diplomatic Immunity
Lt. Strathern
Seedpeople
Deputy Fraser
Rumble Strip
Rett
Aliens, Clowns & Geeks
Men in Black Agent
