1990

1989

1989

1989

as Joram Barnard

1989

as Dr Jim Hartwell

1989

as Witherspoon

1988

as Gen. Stafford

1988

as Agent Johnson

1987

as John Campo

1987

as Prof. John Kenyon

1987

as Air Controller

1987

as Joe Hendersen

1986

as Colonel Duncan Grey

1984

as Matie Olivier

1983

as Narrator

1982

as Dr. Franz Von Leinsdorff

1980

as Prof. Jonathan Carpenter

1979

1978

as Smollet

1977

1977

as Dr. Ben Schaeffer

1976

as Narrator

1974

as Flint (voice) (uncredited)

1974

as Michael Jameson

1972

as Will Maddox

1970

1967

as Tom Sheppard

1966

as Ed Sloane

1965

1979

as Writer

1975

as Screenplay

1975

as Director

1974

as Writer

1974

as Director

1969

as Writer