Trailer
Cast
Helen Wallace
Mrs. Martha Hancock (uncredited)
Charlton Heston
Lt. William Clark
Donna Reed
Sacajawea
William Phipps
Night Camp Sentry (uncredited)
Walter Reed
Helmsman Cruzatte (uncredited)
Ralph Moody
Chief Le Borgne (uncredited)
Barbara Hale
Julia Hancock
Eduardo Noriega
Chief Cameahwait
Larry Pennell
Wild Eagle
Herbert Heyes
President Thomas Jefferson
Bill Walker
Tom (uncredited)
Argentina Brunetti
Shoshone Woman (uncredited)
Fred MacMurray
Cpt. Meriwether Lewis
William Demarest
Sgt. Gass
Alan Reed
Charbonneau
Lester Matthews
Mr. Hancock