Brian Gamble (Jeremy Renner), who is referred to by his surname, is a former SWAT member who was partners with Jim Street (Colin Farrell) for 5 years before he shot a hostage and chose to quit other than follow alongside Street to the guncage. His character returns later beyond the film when we realize he has turned to side of the enemy, joining another SWAT member McCabe (Josh Charles) to help Alex Montel (Olivier Martinez) be released from the police custody in reward for $100,000,000.