Manfred Zapatka
Self - Narrator (voice)
Acting
Alexander Gerst
Self - Astronaut
Acting
Sylvia Earle
Self - Oceanographer
Acting
Dennis J. Snower
Self - Economist
Acting
Felwine Sarr
Self - Philosopher
Acting
Janina Loh
Self - Philosopher
Acting
Matthieu Ricard
Self - Buddhist Monk
Directing