Lewis & Clark: The Journey of the Corps of Discovery Online

John Logan Allen - Self - Geographer, Stephen Ambrose - Self - Historian (as Stephen E. Ambrose) , Adam Arkin - Merriwether Lewis (voice) , Gerard Baker - Self - Mandan-Hidatsa, Matthew Broderick - John Ordway (voice) , Tantoo Cardinal - (voice) , Tim Clark - (voice) , Kevin Conway - Patrick Gass (voice) , Dayton Duncan - Self - Writer, Erica Funkhouser - Self - Writer, Murphy Guyer - William Clark (voice) , Ken Little Hawk - (voice) , William Least Heat-Moon - Self - Writer, Hal Holbrook - Narrator (voice) , Gene Jones - Joseph Whitehouse (voice)