Kevin Costner and Clint Eastwood both received Best Director Oscars in the years shortly preceding this film. Both of their respective films ( Dances with Wolves (1990) and Unforgiven (1992) ) were westerns. Consequently, this marks perhaps the only time in film history when two such Oscar-winning directors co-starred as actors in the same film. (Also: see Chinatown (1974) Trivia.)
Early in the movie, references are made to President John F. Kennedy visiting Texas and the governor running for re-election. Unless the events in the movie take place in an alternate universe, this was not JFK's final, fateful trip to Texas. From 1876 to 1972 Texas governors served two year terms, which means this movie took place prior to the November 1962 election. JFK was assassinated in Dallas a year later in November 1963.
By co-starring in this film with Clint Eastwood, Kevin Costner has co-starred with three of the main stars of Unforgiven (1992). The other two are Gene Hackman: No Way Out (1986) and Wyatt Earp (1994) and Morgan Freeman: Robin Hood: Prince of Thieves (1991).
Is one of two films in 1993 in which Laura Dern has co-starred with a veteran actor/director. The other film was Jurassic Park in which Dern co-starred with Richard Attenborough. However that film was directed by Steven Spielberg.
Is one of two films starring Kevin Costner that have "world" in the title. The other film being Waterworld. Also both of these film's directors - Clint Eastwood and Kevin Reynolds - have the same number of letters in their first and last names.