亚历克·鲍德温

Alec Baldwin

饰：Theodore Roosevelt,

杰克·莱西

Jake Lacy

饰：Kermit Roosevelt,

瓦格纳·马拉

Wagner Moura

饰：Cândido Rondon,

奥利弗·普莱特

Oliver Platt

饰：Self - Narrator,

Bill Coelius

Bill Coelius

饰：George Cherrie,

Sydney Possuelo

Sydney Possuelo

饰：Self - Explorer

Tweed Roosevelt

饰：Self - Great-grandson

Amy Ulrich

饰：Self,

Kathleen Dalton

Kathleen Dalton

饰：Self - Historian

Fausto Carlos

饰：Self - Anthropologist

Clay Jenkinson

Clay Jenkinson

饰：Self - Writer