Diğer Roller
| 2019 | When Whales Walked: Journeys in Deep Time - Executive Producer |
| 2018 | Going to War - Executive Producer |
| 2014 | Mass Extinction: Life at the Brink - Executive Producer |
| 2014 | Vaccines: Calling the Shots - Executive Producer |
| 2007 | Bir Kutup Masalı - Executive Producer |
| 2004 | Last Stand of the Great Bear - Executive Producer |
| 2001 | Beyond the Movie: The Fellowship of the Ring - Executive Producer |
| 2001 | Pearl Harbor: Legacy of Attack - Director |
| 1999 | National Geographic: The Filmmakers - Executive Producer |
| 1994 | National Geographic: Last Voyage of the Lusitania - Executive Producer |
| 1988 | National Geographic: White Wolf - Writer |
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