Spin off to Motherland (2016), in which Lucy Punch, Phillipa Dunne and Joanna Lumley all appeared as Amanda, Anne and Felicity respectively.
Both Rochenda Sandell (Fi) and Samuel Anderson (Mal) played characters in the revamped Doctor Who (2005). Sandell played Azure in series 13, whilst Anderson played Danny Pink in series 8.
Both Siobhan McSweeney (Della) and Philippa Dunne (Anne) starred together in Derry Girls (2018) as Sister Michael and Geraldine Devlin, respectively.