Hugh Marlowe

as Grant

as Doc Corozal

as Harold McPherson

as John Hull

as Roy Comstock

as Rev. Philip Garrison

as Dr. Russell A. Marvin

as John Borden

as Ray Borden

as John Fuller

as Stefano Di Gambetta

as Colonel Morsby

as Don Miguel Aleondo

as Hank Entwhistle

as Narrator (voice) (uncredited)

as Capitano Garnett

as Tom Stevens

as Rafe Zimmerman

as Adam Dunn

as Lieutenant Colonel Ben Gately

as Robert Masen

as Colonel Darly

as John Marbey