Character Name : Cpt. Meriwether Lewis

Original Name : Fred MacMurray

Gender : Male

Character Name : Lt. William Clark

Original Name : Charlton Heston

Gender : Male

Character Name : Sacajawea

Original Name : Donna Reed

Gender : Female

Character Name : Julia Hancock

Original Name : Barbara Hale

Gender : Female

Character Name : Sgt. Gass

Original Name : William Demarest

Gender : Male

Character Name : Charbonneau

Original Name : Alan Reed

Gender : Male

Character Name : Chief Cameahwait

Original Name : Eduardo Noriega

Gender : Male

Character Name : Wild Eagle

Original Name : Larry Pennell

Gender : Male

Character Name : President Thomas Jefferson

Original Name : Herbert Heyes

Gender : Male

Character Name : Mr. Hancock

Original Name : Lester Matthews

Gender : Male

Character Name : Shoshone Woman (uncredited)

Original Name : Argentina Brunetti

Gender : Female

Character Name : Crow Woman (uncredited)

Original Name : Julia Montoya

Gender : Female

Character Name : Chief Le Borgne (uncredited)

Original Name : Ralph Moody

Gender : Male

Character Name : Night Camp Sentry (uncredited)

Original Name : William Phipps

Gender : Male

Character Name : Helmsman Cruzatte (uncredited)

Original Name : Walter Reed

Gender : Male

Character Name : Tom (uncredited)

Original Name : Bill Walker

Gender : Male

Character Name : Mrs. Martha Hancock (uncredited)

Original Name : Helen Wallace

Gender : Female