Tyrone Power as Jonathan Kent

Linda Darnell as Zina Webb - The Outsider

Dean Jagger as Brigham Young

Brian Donlevy as Angus Duncan

Jane Darwell as Eliza Kent

John Carradine as Porter Rockwell

Mary Astor as Mary Ann Young

Vincent Price as Joseph Smith

Jean Rogers as Clara Young

Ann E. Todd as Mary Kent

Willard Robertson as Heber Kimball

Moroni Olsen as Doc Richards

Marc Lawrence as Prosecutor

Stanley Andrews as Hyrum Smith

Frank M. Thomas as Hubert Crum

Fuzzy Knight as Pete

Dickie Jones as Henry Kent

Selmer Jackson as Caleb Kent

Frederick Burton as Mr. Webb

Arthur Aylesworth as Jim Bridger

Chief John Big Tree as Big Elk

Davison Clark as Johnson

Claire Du Brey as Emma Smith

Tully Marshall as Judge

Dick Rich as 1st Mob Leader

Edwin Maxwell as 2nd Mob Leader

Ralph Dunn as Jury Foreman

Edmund MacDonald as Elder

George Melford as John Taylor

Russell Simpson as U.S. Army Major

Paul E. Burns as Man with California Gold News

Cliff Clark as Dissenter

Edmund Elton as Undetermined Role

Jody Gilbert as Stout Woman Who Can't Swim

William Haade as Skeptic

Herbert Heywood as Jokester at Chronicle Notice

Cammilla Johnson as Little Girl

Cullen Johnson as Boy in Covered Wagon

Payne B. Johnson as Boy in Covered Wagon

David Kirkland as Elder

Bob Kortman as Agitator

Paul Kruger as Raider

Ann Kunde as Mormon

Frank LaRue as Sheriff

Charles Frederick Lindsley as Trailer Narrator (voice)

Tom London as Raider

Murdock MacQuarrie as Undetermined Role

Louis Mason as Man Laughing at Joke

Charles Middleton as Mob Member

Frank Mills as Man in Newspaper Office / Agitator

Philip Morris as Mob Member

Imboden Parrish as Minor Role

Ruth Robinson as Discouraged Mormon

John Roy as Minor Role

Frank Shannon as Second Man with California Gold News

Lee Shumway as Mob Member

Harry Tyler as Undetermined Role

Eddy Waller as an with California Gold News

Cecil Weston as Minor Role

Blackie Whiteford as Court Spectator

Hank Worden as Mormon Cheering Porter