Werner Herzog as Narrator (voice)

Clive Oppenheimer as Self - Volcanologist

Mael Moses as Self - Chief, Endu Village

Katia Krafft as Self - Volcanologist (archive footage)

Maurice Krafft as Self - Volcanologist (archive footage)

Sri Sumarti as Self - Volcanologist

Tim D. White as Self - Paleoanthropologist

Kampiro Kayrento as Self - Fossil Hunter

Yonatan Sahle as Self - Archaeologist

Isaac Wan as Self - Chief, Lamakara Village

Moli Isaac as Self - Son of Chief Isaac