<P> The film was written by Martin, Michaels, and Randy Newman . Newman contributed three original songs: "The Ballad of the Three Amigos", "My Little Buttercup", and "Blue Shadows", while the musical score was composed by Elmer Bernstein . It was shot in Simi Valley, California, Coronado National Forest, Old Tucson Studios, and Hollywood . </P> <P> John Landis was on trial over the Twilight Zone tragedy during the editing of ¡ Three Amigos!, and the studio heavily edited the film down after he submitted his final cut . </P> <P> Since he is a co-screenwriter, Martin had been attached to the project since 1980 and he, Dan Aykroyd, and John Belushi were originally going to play the Three Amigos . At one point, Steven Spielberg was slated to direct; he wanted Martin, Bill Murray, and Robin Williams to portray Lucky, Dusty, and Ned respectively . Landis has said that Rick Moranis would have been cast as Ned had Short been unavailable . </P> <P> Martin developed tinnitus after filming a pistol - shooting scene for the film . </P>

Who were the actors in the three amigos