Olivia Colman (Ellie Miller) & Meera Syal (Judge Sonia Sharma) also worked together on Beautiful People (2008) as Debbie Doonan & Aunty Hayley respectively.
David Tennant (Alec Hardy) & Eve Myles (Claire Ripley) also worked together on two episodes of Doctor Who (2005) as The Doctor and Gwen Cooper respectively.
Charlotte Rampling (Jocelyn Knight) & Marianne Jean-Baptiste (Sharon Bishop) also worked together on Spy Game (2001) as Anne Cathcart & Gladys Jennip respectively.
Arthur Darvill (Rev. Paul Coates) & Shaun Dooley (Ricky Gillespie) also worked together on two episodes of The White Queen (2013) as The Duke of Buckingham & Sir Robert Brackenbury respectively.