Continuity mistake: When Whistler is driving the van, he hits the two cars and knocks out the driver's side headlight, yet right after this and through the rest of the film, the headlight works properly. (01:51:25)
Continuity mistake: When Robert Redford tips the scrabble letters onto the glass table, he makes "SETE" and "CAST" next to it. To the right of "CAST", under his right hand, are the letters RNY, quite widely spaced. All other letters are tightly gathered above. When the angle changes to under the table, suddenly all the letters are spread fairly evenly around the table. (00:39:15)