Horizon Season 51 Characters & Cast — No Spoilers
Every character in Horizon season 51 with photos and the actors who play them, including Rupert Penry-Jones, Adrian Lester, Xand van Tulleken — spoiler-free, nothing from later seasons.
- Himself - Narrator — played by Rupert Penry-Jones
- Himself - Narrator — played by Adrian Lester
- Presenter — played by Xand van Tulleken
- Presenter — played by Chris van Tulleken
- Presenter — played by Daniel Kahneman
- Presenter — played by Toby Macdonald
- Presenter — played by Uta Frith
- Self - Presenter — played by Kevin Fong
- Self - Presenter — played by John Hammond
- Self - Presenter — played by Helen Czerski
- Self - Presenter — played by Iain Stewart
All seasons of Horizon: full spoiler-free character guide