Ruby Bentall (Minnie Mude) & Richard Harrington (Gabriel Cochrane) also worked together on episodes 2.4, Episode #2.4 (2016), of Poldark (2015) as Verity Blamey & Captain Andrew Blamey respectively.
Dawn French is credited as a main cast member in every episode in which she appears; in series 2 and series 4 she appears in one episode.