Robert Sparr was originally set to direct, but he was killed in a plane crash while scouting locations in Colorado. Gordon Douglas was hired to replace him.
Marquette says that he and Remy are like "complementary angles, adding up to 180 degrees". Complementary angles actually add up to 90 degrees. He meant "supplementary angles".
Remy: We might a gotten along pretty good if it weren't for that barge. Now probably down in Mexico we'd a killed a bottle of tequila together, wouldn't we?