Continuity mistake: When the prisoners in the confinement holes talk clinging from the bars at the top, Jim Brown's hands are one bar apart in the overhead shot, 2 bars in close-ups. (00:00:50)
Continuity mistake: When Ray and Alex incapacitate the last of the 4 cops, he flips on the ground wearing his hat. When they approach him to finish him off, his hat is at distance. (00:10:00)