Detective Inspector Max Arnold lives on a battered houseboat at the end of Cheyne Walk after separating from his art dealer wife Astrid. The son of a local bookshop owner, Max is a far cry from the affluent elite whose crimes he'll help solve along with D.C. Priya Shamsie.

• Adrian Scarborough
• Vanessa Emme
• Anamaria Marinca
• Peter Bankolé
• Lucy Phelps
• Sophie Stone