Lewis & Clark - The Journey of the Corps of Discovery

John Logan Allen

Himself - Geographer

Stephen E. Ambrose

Himself - Historian

Gerard Baker

Himself - Mandan-Hidatsa

凯文·康威

Patrick Gass

Erica Funkhouser

Herself - Writer

William Least Heat-Moon

Himself - Writer

Gene Jones

Joseph Whitehouse

Mylie Lawyer

Herself - Descendant of Twisted Hair

James P. Ronda

Himself - Historian

Murphy Guyer

William Clark (voice)

哈尔·霍尔布鲁克

Narrator (voice)

萨姆·沃特森

Thomas Jefferson (voice)