John Simm (Baxter), Philip Glenister (Quinn) & Marc Warren (Rick) also worked together on State of Play (2003) as Cal McCaffrey, DCI William Bell & Dominic Foy respectively.
Suranne Jones (Miss Pinkerton) & Olivia Cooke (Becky Sharp) also worked together on The Secret of Crickley Hall (2012) as Eve Caleigh & Nancy Linnet respectively.