1978
as Smollet
1989
1988
as Gen. Stafford
as Agent Johnson
1987
as Joe Hendersen
as Air Controller
as Witherspoon
as John Campo
as Prof. John Kenyon
1974
as Flint (voice) (uncredited)
1977
as Dr. Ben Schaeffer
as Joram Barnard
1983
as Narrator
1984
as Matie Olivier
as Dr Jim Hartwell
as Stevens
1965
1972
as Will Maddox
1970
1966
as Ed Sloane
