When Rubin places the Polaroid photograph into his book, he closes it so that he is looking at the cover. In the next shot, as he puts the book down, the cover is facing the floor and he is looking at the back.
When Lezra visits Rubin in prison and they are talking at the table, Rubin is shown holding a photo in his hands. The reverse shot shows Rubin with his hands clasped and the photo sitting on the table.
When they show the bar shooting, when the woman, Hazel Tanis is shot, as she is going down you can see the actress is wearing knee pads. When Bello comes into the bar and looks at Tanis, she is no longer wearing the knee pad.
Credits at the end of movie state that Rubin Carter is the only boxer to have received an honorary championship title belt from the World Boxing Council in 1993. This is incorrect as the boxer Joey Giardello also received an honorary championship belt at the same banquet in Las Vegas.
In the first featherweight fight sequence, the radio sportscaster pronounces the Pennsylvania city name, "Reading," as "reeding" (long "e" sound), but it is correctly pronounced as "reding" (short "e" sound).
When Carter's Federal Court victory is announced, jubilant inmates hurl waste paper from the cell decks to the floor below. In the background a huge pile of waste paper can be seen, the obvious residue of previous takes