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
Blackadder Goes Forth in the same episode, Blackadder describes the Great War as: "a war which would be a damn sight simpler if we just stayed in England and shot fifty thousand of our men a week." Field Marshal Sir Douglas Haig, whose orders are alleged to have resulted in hundreds of thousands of British deaths at Passchendaele and the Somme, is continually referenced. Blackadder himself describes Haig's attempts at an advance as no more than "another gargantuan effort to move his drinks cabinet six inches closer to Berlin". In "Goodbyeee", a scene parodies Haig's professional abilities by depicting the Field Marshal playing