GL
Gwynfor Llewellyn
Editor
Filmography
| 2022 | 6 Gwlad Shane ac Ieuan (TV Series) |
| 2021 | |
| 2020 | Critical: Inside Intensive Care (TV Series) |
| 2019 | Japan with Sue Perkins (TV Series) |
| 2017 | The Ganges with Sue Perkins (TV Series) |
| 2017 | Snowdonia 1890 (TV Series) |
| 2011 | Arctic with Bruce Parry (TV Series) |
| 2009 | Top Dogs: Adventures in War, Sea and Ice (TV Series) |
| 2008 | Amazon with Bruce Parry (TV Series) |
| 2006 | The Martians and Us (TV Series) |
| 2005 | Tribe (TV Series) |
| 1994 | Time Team (TV Series) |
| 1953 | Panorama (TV Series) |