1990
1989
as Joram Barnard
as Dr Jim Hartwell
as Witherspoon
as Gen. Stafford
1988
as Agent Johnson
as John Campo
1987
as Prof. John Kenyon
as Air Controller
as Joe Hendersen
as Colonel Duncan Grey
1986
as Matie Olivier
1984
as Narrator
1983
as Dr. Franz Von Leinsdorff
1982
as Prof. Jonathan Carpenter
1980
1979
as Smollet
1978
1977
as Dr. Ben Schaeffer
1976
Screenplay (Writing)
1975
as Flint (voice) (uncredited)
1974
as Michael Jameson
as Will Maddox
1972
1970
Writer (Writing)
1969
as Tom Sheppard
1967
as Ed Sloane
1966
1965