Spencer Tracy

as Matt Drayton

as C. G. Culpepper

as Narrator (voice)

as Father Matthew Doonan

as Dan Haywood

as Henry Drummond

as Richard Sumner

as John J. Macreedy

as Matt Devereaux

as Clinton Jones

as James P. Curtayne

as Stanley T. Banks

as Adam Bonner

as Grant Matthews

as Pete Sandidge

as Lt. Col. Jimmy Doolittle

as Dr. Henry 'Harry' Jekyll / Mr. Hyde

as Square John Sand

as Major Robert Rogers

as Father Flanagan

as Gunner Morse

as Manuel Fidello

as Joe Wilson

as Saint Louis