| Cast list | | Olivia Williams | as | Betty | | Naomie Harris | as | Denise | | Andy Serkis | as | Ian Dury | | Ray Winstone | as | Bill Dury | | Luke Evans | as | Clive | | Mackenzie Crook | as | Russell | | Toby Jones | as | Hargreaves | | Noel Clarke | as | Desmond / Sparky | | Andrew Knott | as | Reporter | | Chris Wilson | as | Arresting Police Officer | | Bill Milner | as | Baxter | | Ralph Ineson | as | Sulphate Strangler | | Tom Hughes | as | Chaz Jankel | | Catherine Balavage | as | Crazy drug girl | | Arthur Darvill | as | | | James Jagger | as | John Turnbull | | Ellie Jeffreys | as | Denise's Friend | | Stephanie Carswell | as | Mia | | Alan Mckenna | as | | | Wesley Nelson | as | Young Ian | | Ian Neil | as | Chris Gabrin | | Charlotte Beaumont | as | Jemima | | Clifford Samuel | as | Charley Charles | | Mark Arends | as | | | Shakraj Soornack | as | Norman Watt-Roy | | Karol Steele | as | Stern Nurse | | Giuseppe Circelli | as | Fan | | Jennifer Carswell | as | Ruby | | Joe Kennedy | as | Davey Payne | | Chloe Arrowsmith | as | Girl in bed with The Blockheads Charley |
| | Crew list: | | Mat Whitecross (Director) | | Paul Viragh (Writer) |
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