Cast (in credits order)
| Joseph Gordon-Levitt | ... | Self - Narrator (voice) | |
| Ruth Ogden | ... | Self - Psychologist | |
| Vijay Balasubramanian | ... | Self - Theoretical Physicist | |
| Scott Kelly | ... | Self - Astronaut | |
| Dean Buonomano | ... | Self - Neuroscientist | |
| Rest of cast listed alphabetically: | |||
| Michele Besso | ... | Self - Engineer (archive footage) | |
| Albert Einstein | ... | Self - Theoretical Physicist (archive footage) | |
| Mark Kelly | ... | Self - Astronaut (archive footage) | |
| Mikhail Kornienko | ... | Self - Cosmonaut (archive footage) | |
| Michel Siffre | ... | Self - Geologist (archive footage) | |
Produced by
| Dan DiStefano | ... | executive producer |
| Arsh Harjani | ... | archival producer |
| Tanya Lukyanova | ... | producer |
Animation Department
| Marcie LaCerte | ... | animator |
Editorial Department
| Soren Martin | ... | post production supervisor (as Susan Martin) |
| Eliza Mitnick | ... | assistant editor |
| Avery Stray | ... | post-production manager |
Additional Crew
| Emre Izat | ... | network executive producer |
| Samantha Mason | ... | VP: Production Legal |
