1996
No Turning Back
Editor
1979
Writer
1978
Writer
1975
Narrator
1974
Commentary
Narrator
The Boat That Ian Built
Producer
Vocals
1973
Commentary
1971
Himself / Narrator
Director
Director
People of the Seal, Part 1: Eskimo Summer
Writer
1967
The Indian Speaks
Screenplay
1966
Narrator (voice)
Narrator
Writer
1964
Narrator
1963
Narrator
Script
1962
Narrator (voice)
Narrator
Writer
1961
Narrator
Commentator (voice)
1960
Writer
1959
Narrator
Narrator
Commentary
Director
Writer
1958
Director
Writer
Director
Director
Director
1957
1955
Director
1954
Writer
1953
The Ballot-o-Maniac
Director
Script
Writer
1950
Our Town Is the World
Director
Feelings of Depression
Writer
1949
Director
1948
1944
Director