 To add a sense of realism to John Wayne (I) (qv)s character,  archive footage from several of his westerns was used to introduce  J.B. Books after the beginning credits. Included was footage from  _Red River (1948)_ (qv), _Hondo (1953)_ (qv),  _Rio Bravo (1959)_ (qv) and _El Dorado (1966)_ (qv).