<P> Jonathan Harris ( born Jonathan Daniel Charasuchin ; November 6 , 1914 -- November 3 , 2002 ) was an American character actor . Two of his best - known roles were as the timid accountant Bradford Webster in the television version of The Third Man and the prissy villain Dr. Zachary Smith of the 1960s science fiction series Lost in Space . Near the end of his career , he provided voices for the animated features A Bug 's Life and Toy Story 2 . </P>
<P> Jonathan Harris ( born Jonathan Daniel Charasuchin ; November 6 , 1914 -- November 3 , 2002 ) was an American character actor . Two of his best - known roles were as the timid accountant Bradford Webster in the television version of The Third Man and the prissy villain Dr. Zachary Smith of the 1960s science fiction series Lost in Space . Near the end of his career , he provided voices for the animated features A Bug 's Life and Toy Story 2 . </P>
who played the doctor in lost in space
who played the doctor in lost in space
Jonathan Harris
Jonathan Harris