Rollista

• Bill Milner — Sean (voice)
• Tom Hardy — Ivan Locke
• Ruth Wilson — Katrina (voice)
• Olivia Colman — Bethan (voice)
• Ben Daniels — Gareth (voice)
• Silas Carson — Dr. Gullu (voice)
• Danny Webb — Cassidy (voice)
• Andrew Scott — Donal (voice)
• Tom Holland — Eddie (voice)
• Alice Lowe — Sister Margaret (voice)
• Lee Ross — PC Davids (voice)
• Kirsty Dillon — Gareth's Wife (voice)