Before filming began, Sam Peckinpah insisted that he use actors that he usually worked with previously, such as 'James Coburn'. Producers Peter S. Davis and William N. Panzer balked at the idea and Peckinpah finally agreed to the cast that was chosen.
Sam Peckinpah was fired when he refused to re-edit the film after it was screened for a test audience on 25 May 1983 and met with a confused and extremely mixed reaction. Producers Peter S. Davis and William N. Panzer took over the editing with the assistance of editor Edward M. Abroms, drastically altering opening and ending sequences.
Composer Lalo Schifrin had to sit by Sam Peckinpah's sick bed in order to spot the film and decide which scenes did or did not need music.
Composer Lalo Schifrin was recommended by Sam Peckinpah's long time friend and mentor, 'Don Siegel (I)'.
Chris Sarandon's wife was pregnant throughout the filming of this movie. He said that the added tension provided his character with a little more depth. His wife gave birth shortly after filming wrapped.
Burt Lancaster celebrated his 70th birthday while filming, and the cast and crew threw him a special honorary birthday party on set.
The mustache that Craig T. Nelson wears throughout the film is glued on.
Craig T. Nelson was nicknamed 'Fish', by Sam Peckinpah, because he had to stay under water in the swimming scene
According to Jason Robards, Robert Ludlum offered to rewrite the overly complex and confusing script for free, but differences between the producers and director Sam Peckinpah, who'd expressed his concern from the beginning, prevented this from happening.