Fred MacMurray

Cpt. Meriwether Lewis

Charlton Heston

Lt. William Clark

Donna Reed

Sacajawea

Barbara Hale

Julia Hancock

William Demarest

Sgt. Gass

Alan Reed

Charbonneau

Eduardo Noriega

Chief Cameahwait

Larry Pennell

Wild Eagle

Herbert Heyes

President Thomas Jefferson

Lester Matthews

Mr. Hancock

Argentina Brunetti

Shoshone Woman (uncredited)

Julia Montoya

Crow Woman (uncredited)

Ralph Moody

Chief Le Borgne (uncredited)

William Phipps

Night Camp Sentry (uncredited)

Walter Reed

Helmsman Cruzatte (uncredited)

Bill Walker

Tom (uncredited)

Helen Wallace

Mrs. Martha Hancock (uncredited)

Rudolph Maté

Director

William McGarry

Asistente de Dirección

Charles C. Coleman

Second Unit Director

Edmund H. North

Guión, Guión Adaptado

Winston Miller

Guión, Guión Adaptado

Della Gould Emmons

Novela

Daniel L. Fapp

Director de Fotografía

William Williams

Second Unit Director of Photography

Hans J. Salter

Compositor de la Música Original

William H. Pine

Productor

William C. Thomas

Productor

Paramount Pictures

Compañía de Produccion

Edith Head

Diseño de Vestuario

Wally Westmore

Makeup Supervisor

Frank Bracht

Editor

Hal Pereira

Dirección Artística

A. Earl Hedrick

Dirección Artística

Sam Comer

Decorados

Otto Siegel

Decorados

John P. Fulton

Visual Effects

Bob Herron

Dobles

Gene Merritt

Sound Recordist

Gene Garvin

Sound Recordist

Donald R. O. Hatswell

Technical Advisor