As a 13-year-old, fledgling writer Briony Tallis irrevocably changes the course of several lives when she accuses her older sister's lover of a crime he did not commit.

• Universal Pictures
• StudioCanal
• James McAvoy
• Keira Knightley
• Saoirse Ronan
• Romola Garai
• Vanessa Redgrave
• Brenda Blethyn
• Juno Temple
• Benedict Cumberbatch