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