Horizon Season 30 Characters & Cast — No Spoilers
Every character in Horizon season 30 with photos and the actors who play them, including Richard Feynman, Sue Savage-Rumbaugh, Patricia Marks Greenfield — spoiler-free, nothing from later seasons.
- Himself — played by Richard Feynman
- Self — played by Sue Savage-Rumbaugh
- Self — played by Patricia Marks Greenfield
- Self — played by Duane Rumbaugh
- Self — played by Sarah Boyson
- Self — played by Beatrix Gardner
All seasons of Horizon: full spoiler-free character guide