Maureen O'Hara turns to John Wayne and whispers something in his ear, evoking a priceless reaction from Wayne. What was said was known only to O'Hara, Wayne and director John Ford. In exchange for saying this unscripted bit of text, O'Hara insisted that the exact line never be disclosed by any involved parties.

1. "Whoa, take 'er easy there, Pilgrim." 2. "Courage is being scared to death but saddling up anyway."

Of the many characters he portrayed in a career that spanned 50 years and an astounding 175 films, arguably none are more beloved as those he rode to stardom in some of the most iconic classic Westerns of all-time.

Wayne's final film, The Shootist (1976), in which he portrays an aging gunfighter who is dying of cancer, was praised by many as his best western since Rio Bravo. This role was a poignant screen farewell for an actor who himself would succumb to cancer three years later.