| Aktor | Karakter | Peran dalam Cerita | | :--- | :--- | :--- | | Christian Bale | John Connor | Pemimpin perlawanan manusia | | Sam Worthington | Marcus Wright | Cyborg hibrida dengan kesadaran manusia | | Anton Yelchin | Kyle Reese | Ayah dari John Connor di masa depan | | Bryce Dallas Howard | Kate Connor | Istri John Connor, seorang dokter | | Moon Bloodgood | Blair Williams | Pilot Resistance yang menemukan Marcus | | Common | Barnes | Sersan di bawah komando John Connor | | Helena Bonham Carter | Dr. Serena Kogan / Suara Skynet | Ilmuwan yang menciptakan program Marcus |

Bale brings a high-intensity, weathered feel to the resistance leader, though some critics felt his character was overshadowed by Marcus Wright (Sam Worthington), a cyborg who doesn't know he's a machine. Rating Change: This was the first Terminator film to receive a PG-13 rating instead of R. According to Common Sense Media

, the man destined to lead the human Resistance against Skynet's machine network.