On this day in movie history - El Dorado (1966):

El Dorado,

directed by Howard Hawks,

written by Leigh Brackett,

based on the novel The Stars in Their Courses by Harry Brown,

was released in the United States on June 30, 1967.
Music by Nelson Riddle.

Cast:
John Wayne, Robert Mitchum, James Caan, Charlene Holt, Paul Fix, Arthur Hunnicutt, Michele Carey, R.G. Armstrong, Edward Asner, Christopher George, Marina Ghane, Robert Donner, John Gabriel, Johnny Crawford, Robert Rothwell, Adam Roarke, Victoria George, Jim Davis, Anne Newman Bacal, Diane Strom, Olaf Wieghorst, Richard Andrade, Danny Borzage, Charlita, Don Collier, Enrique Contreras, Chuck Courtney, Linda Dangcil, Alphonso DuBois, Nacho Galindo, Joe Garcio, Betty Jane Graham, Robert 'Buzz' Henry, William Henry, Lars Hensen, Riley Hill, Chuck Horne, Rodolfo Hoyos Jr., Bonnie Charyl Josephson, Joe King, Mike Letz, Frank Leyva, Myra MacMurray, John Mitchum, Ruben Moreno, Deen Pettinger, Jose Portugal, Lee Powell, Chuck Roberson, Anthony Rogers, Danny Sands, Robert Shelton, Dean Smith, John Strachen, Rosa Turich, Ralph Volkie, Christopher West.