Näitlejad

• Sharlto Copley — Chappie
• Dev Patel — Deon Wilson
• Hugh Jackman — Vincent Moore
• Sigourney Weaver — Michelle Bradley
• Yo-Landi Visser — Yo-Landi
• Ninja — Ninja
• Jose Pablo Cantillo — Yankie (Amerika)
• Kevin Otto — CNN Reporter
• Brandon Auret — Hippo
• Robert Hobbs — The Procurement Officer
• Anderson Cooper — Anderson Cooper
• Jason Cope — Tetravaal Lead Mechanic
• Chris Shields — Journalist
• Bill Marchant — Professor
• James Hendricks — Gang Member
• Chan Marti — Field Reporter
• Alistair Prodgers — Tetravaal Mechanic
• Wandile Molebatsi — Armored Truck Guard
• Arran Henn — VSN News Desk Reporter
• Anthony Bishop — Police Officer
• Paul Dobson — Police Robot (voice)