Happy Valley is a dark, funny, multi-layered thriller revolving around the personal and professional life of Catherine, a dedicated, experienced, hard-working copper. She is also a bereaved mother who looks after her orphaned grandchild.

• Sarah Lancashire
• Siobhan Finneran
• James Norton
• Rhys Connah
• Charlie Murphy
• Shane Zaza
• George Costigan
• Rick Warden