JM
John Marks
Filmography
| 2006 | Conspiracy Files (TV Series) · as Self |
| 1991 | Sightings (TV Series) · as Self - Author |
| 1987 | Unsolved Mysteries (TV Series) · as Self |
| 1963 | World in Action (TV Series) · as Self |
| 1961 | The Mike Douglas Show (TV Series) · as Self |