亨弗莱·鲍嘉

Humphrey Bogart

饰：Fred C. Dobbs in 'The Treasure Of Sierra Madre',(archive footage)

William F. Cody

饰：Self,(archive footage) (as William F. Cody)

提姆·霍尔特

Tim Holt

饰：Bob Curtin in 'The Treasure Of Sierra Madre',(archive footage)

沃尔特·休斯顿

Walter Houghston

饰：Howard,(archive footage)

迈克尔·墨菲

Michael Murphy

饰：Self - Narrator,

John Wesley Powell

饰：Self - Geologist and Explorer,(archive footage)

Robert Bakker

Robert Bakker

饰：Self - Paleontologist,(as Bob Bakker)

Steven Conn

饰：Self - Historian