| Movie | 2005 | Grizzly Man | Producer | Production |
| Movie | 1982 | Backstage Pass | Director | Directing |
| Movie | 2008 | Dreams with Sharp Teeth | Director | Directing |
| Movie | 2008 | Dreams with Sharp Teeth | Writer | Writing |
| Movie | 2010 | Cave of Forgotten Dreams | Producer | Production |
| Movie | 1989 | Secrets of the Unknown: Tornadoes & UFOs | Producer | Production |
| Movie | 1989 | Secrets of the Unknown: Tornadoes & UFOs | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: The Titanic | Writer | Writing |
| Movie | 1988 | Secrets of the Unknown: Poltergeists | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: The Titanic | Director | Directing |
| Movie | 1988 | Secrets of the Unknown: Poltergeists | Producer | Production |
| Movie | 1987 | Secrets of the Unknown: Big Foot | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Big Foot | Director | Directing |
| Movie | 1987 | Secrets of the Unknown: Jack the Ripper | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Curses | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Jack the Ripper | Director | Directing |
| Movie | 1987 | Secrets of the Unknown: Hollywood Hauntings | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Nostradamus | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Amelia Earhart | Writer | Writing |
| Movie | 1988 | Secrets of the Unknown: Witches | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Amelia Earhart | Producer | Production |
| Movie | 1988 | Secrets of the Unknown: Witches | Producer | Production |
| Movie | 1987 | Secrets of the Unknown: Curses | Producer | Production |
| Movie | 1988 | Secrets of the Unknown: Dreams and Nightmares | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Tornadoes | Producer | Production |
| Movie | 1988 | Secrets of the Unknown: Dreams and Nightmares | Producer | Production |
| Movie | 1987 | Secrets of the Unknown: Tornadoes | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Pearl Harbor | Director | Directing |
| Movie | 1987 | Secrets of the Unknown: Pearl Harbor | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Life After Death | Writer | Writing |
| Movie | 1987 | Secrets of the Unknown: Lake Monsters | Writer | Writing |
| Movie | 2005 | In the Edges: The 'Grizzly Man' Session | Director | Directing |
| Movie | 2006 | The U.S. vs. John Lennon | Executive Producer | Production |
| Movie | 2005 | In the Edges: The 'Grizzly Man' Session | Producer | Production |
| Movie | 2024 | The Bloody Hundredth | Thanks | Crew |
| Movie | 2000 | UFO Over Illinois | Executive Producer | Production |
| Movie | 2013 | JFK: The Final Hours | Director | Directing |
| Movie | 2013 | JFK: The Final Hours | Writer | Writing |
| Movie | 2011 | Into the Abyss | Producer | Production |
| Movie | 2011 | History Specials: Engineering Evil | Director | Directing |
| Movie | 2016 | 9/11: The Longest War | Director | Directing |
| Movie | 2014 | 9/10: The Final Hours | Director | Directing |
| Movie | 2017 | A Gray State | Director | Directing |
| Movie | 2017 | A Gray State | Producer | Production |
| Movie | 2012 | Dinotasia | Director | Directing |
| Movie | 2008 | Nazi Scrapbooks from Hell: The Auschwitz Albums | Director | Directing |
| Movie | 2014 | 9/10: The Final Hours | Producer | Production |
| Movie | 2019 | Into the Cold Blue: Restoration and Reinvention | Director | Directing |
| Movie | 2018 | The Cold Blue | Director | Directing |
| Movie | 2005 | Grizzly Man | Executive Producer | Production |
| Movie | 2024 | Daytime Revolution | Director | Directing |
| Movie | 2020 | Apocalypse '45 | Director | Directing |
| Movie | 2015 | The Final Days of Anne Frank | Director | Directing |
| Movie | 2006 | Leonard Cohen: I'm Your Man | Executive Producer | Production |
| Movie | 1989 | Secrets of the Unknown: Bigfoot & Witches | Writer | Writing |
| Movie | 1989 | Secrets of the Unknown: Bigfoot & Witches | Producer | Production |
| Movie | 1989 | Secrets of the Unknown: Bigfoot & Witches | Director | Directing |
| Movie | 2003 | Big Bucks: The Press Your Luck Scandal | Executive Producer | Production |
| TV Show | 2012 | On Death Row | Producer | Production |
| TV Show | 2017 | Origins: The Journey of Humankind | Creator | Creator |
