1: Dysart also performed extensively in the medical - ( movie ) field , performing enough doctor roles to , perhaps , qualify to practice . 2: He also was a doctor who died a gruesome death in John Carpenter 's  The Thing  ( 1982 ) and a physician in such films as  The Terminal Man  ( 1974 ) ,  The Falcon and the Snowman  ( 1985 ) and  Warning Sign  ( 1985 ) . 3: Dysart had many TV and film roles , including spots in  Being There  and  The Thing 
1: doctor roles 2: a doctor 3: film roles