Gary Cooper
Captain Christopher Holden
Boris Karloff
Guyasuta, Chief of the Senecas
Cecil Kellaway
Jeremy Love
Henry Wilcoxon
Captain Steele
C. Aubrey Smith
Lord Chief Justice
Victor Varconi
Captain Simeon Ecuyer
Richard Gaines
Colonel George Washington
Virginia Campbell
Mrs. John Fraser
Gavin Muir
Lieut. Fergus McKenzie
Alan Napier
Sir William Johnson
Ninetta Sunderland
Mrs. Pruitt
Marc Lawrence
Medicine Man Sioto
Raymond Hatton
Venango Scout
John Mylong
Colonel Henry Bouquet
George Kirby
London Astronomer Charles Mason
Leonard Carey
London Astronomer Jeremiah Dixon
Frank Wilcox
Richard Henry Lee
Davison Clark
Mr. Carroll of Virginia
Griff Barnett
Brother Andrews of Pennsylvania
Lloyd Bridges
Lieut. Hutchins
Oliver Thorndike
Lieut. Baillie
Diane Wadelow
Lancashire Lass
Cecil B. DeMille
Self - Narrator (voice) (uncredited)
Dorothy Adams
Woman at Fort Pitt (uncredited)
James Flavin
Villager (uncredited)
Francis Ford
Frontiersman on Fort Pitt Roof (uncredited)
Byron Foulger
Townsman (uncredited)
Beulah Archuletta
Seneca Woman (uncredited)
