弗莱德·麦克莫瑞
饰 Cpt. Meriwether Lewis
查尔顿·赫斯顿
饰 Lt. William Clark
Barbara Hale
饰 Julia Hancock
William Demarest
饰 Sgt. Gass
Eduardo Noriega
饰 Chief Cameahwait
Herbert Heyes
饰 President Thomas Jefferson
Argentina Brunetti
饰 Shoshone Woman (uncredited)
Julia Montoya
饰 Crow Woman (uncredited)
Ralph Moody
饰 Chief Le Borgne (uncredited)
William Phipps
饰 Night Camp Sentry (uncredited)
Walter Reed
饰 Helmsman Cruzatte (uncredited)
Bill Walker
饰 Tom (uncredited)
Helen Wallace
饰 Mrs. Martha Hancock (uncredited)
