Blackadder II size of the principal cast was reduced compared to the previous series, with a fixed number of characters appearing in every episode. Richard Curtis has been quoted as saying that due to the familiar cast, the series was the happiest for him to work on, comparing it to a "friendly bunch of school chums". The series also featured at least one significant cameo role per episode. Notable appearances include Rik Mayall as the debonair Lord Flashheart in "Bells"; Tom Baker and Simon Jones as Captain Redbeard Rum and Sir Walter Raleigh, respectively, in "Potato"; Miriam Margolyes, who had appeared in
Blackadder Goes Forth Melchett and Tim McInnerny as Captain Kevin Darling, who had both appeared in guest roles in "Blackadder the Third" and had appeared regularly in "Blackadder II". This cast appeared together in every episode of the fourth series, although the only episode to feature no guest appearances was "Captain Cook". Miranda Richardson, who had played Elizabeth I in the second series, appeared in a guest role in one episode (as she had in the third series). In their guest performances, actors such as Rik Mayall and Gabrielle Glaister reprised characters they had played in earlier series. Other performers, such as Bill