LJ
Les Johnson
Filmography
| 2019 | Speed (2019) (TV Series) · as Self - Nasa Marshall Space Flight Center |
| 2013 | How to Survive the End of the World (TV Series) · as Self - Author & Nasa Scientist |
| 2013 | Aliens: The Definitive Guide (TV Series) · as Self - Physicist, Nasa Advanced Concepts Office |
| 2012 | Evacuate Earth · as Self - Physicist, Nasa Marshall Space Flight Center |
| 2010 | How the Universe Works (TV Series) · as Self - Advanced Propulsion Technologist |