
Cast
Age 79 · United States
12 shows · 3 currently on air

2025 · History · On air
As themself

2024 · History · On air
As themself

2021 · History · On air
As themself

2016 · YouTube · Ended
As themself

2014 · BBC America · Ended
As themself

2013 · Science · Ended
As themself

2011 · Science · Ended
As themself

2010 · Science · To Be Determined
As themself

2009 · Science · Ended
As themself

2007 · BBC Four · Ended
As themself

2007 · Discovery · Ended
As themself

2006 · BBC Four · Ended
As themself
Main cast roles from TVmaze. Guest appearances aren't listed.