Kevin McCarthy (b. February 15, 1914 - d. September 11, 2010) voiced Doctor Long for the episode "Nothing to Fear" of the animated series Batman.
(External Links: The actor's entries on IMDb and Wikipedia)

Selected Filmography

Series/Episode Date Role
Human Target 1992
     "Going Home" August 22, 1992 Harry Chance
Batman 1992-1995
     "Nothing to Fear" September 15, 1992 Doctor Long