Premise: Harold Allen Ramis ( November 21 , 1944 -- February 24 , 2014 ) was an American actor , director , writer , and comedian . His best-known film acting roles were as Egon Spengler in Ghostbusters ( 1984 ) and Ghostbusters II ( 1989 ) and Russell Ziskey in Stripes ( 1981 ) ; he also co-wrote those films . His final film that he wrote , produced , directed and acted in was the critical and commercial failure Year one ( 2009 ) .
Hypothesis: Harold Ramis acted.
Label: ENTAILMENT