 Karl UrbanJudge Dredd | Judge Dredd |
 Olivia ThirlbyCassandra Anderson | Cassandra Anderson |
 Lena HeadeyMa-Ma | Ma-Ma |
 Wood HarrisKay | Kay |
 Langley KirkwoodJudge Lex | Judge Lex |
 Tamer BurjaqMa-Ma Bodyguard | Ma-Ma Bodyguard |
 Joe VazBig Joe | Big Joe |
 Rakie AyolaChief Judge | Chief Judge |
 Junior SingoAmos | Amos |
 Luke TylerFreel | Freel |
 Jason CopeZwirner | Zwirner |
 Domhnall GleesonClan Techie | Clan Techie |
 Warrick GrierCaleb (uncredited) | Caleb (uncredited) |
| RRachel WoodControl Operator 1 | Control Operator 1 |
| AAndile MngadiPassenger (uncredited) | Passenger (uncredited) |
| PPorteus XandauDriver (uncredited) | Driver (uncredited) |
| EEmma BreschiHostage (uncredited) | Hostage (uncredited) |
| SShoki MokgapaWoman with Child (uncredited) | Woman with Child (uncredited) |
| YYohan ChunGirl in Window (uncredited) | Girl in Window (uncredited) |
| EEden KnowlesGirl in Window (uncredited) | Girl in Window (uncredited) |
| DDesmond Lai LanHomeless Man (uncredited) | Homeless Man (uncredited) |
 Deobia OpareiParamedic TJ (uncredited) | Paramedic TJ (uncredited) |
 Patrick LysterControl Operator 2 (uncredited) | Control Operator 2 (uncredited) |
| TTravis SnydersSlo-Mo Junkies (uncredited) | Slo-Mo Junkies (uncredited) |
 Scott SparrowJaphet (uncredited) | Japhet (uncredited) |
 Marty KintuBig Joe Gang Member (uncredited) | Big Joe Gang Member (uncredited) |
 Nicole BaileyCathy (uncredited) | Cathy (uncredited) |
 Daniel HadebeJudge at Entrance (uncredited) | Judge at Entrance (uncredited) |
 Francis ChoulerJudge at Entrance (uncredited) | Judge at Entrance (uncredited) |
| EEdwin PerryJudge Alwarez (uncredited) | Judge Alwarez (uncredited) |
