Blackadder appeared in more than one of the Blackadder series and/or specials. These are: Ben Elton's arrival after the first series heralded the more frequent recruitment of comic actors from the alternative comedy era for guest appearances, including Robbie Coltrane, Rik Mayall (who had appeared in the final episode of the first series as "Mad Gerald"), Adrian Edmondson, Nigel Planer, Mark Arden, Stephen Frost, Chris Barrie and Jeremy Hardy. Elton himself played an anarchist in "Blackadder the Third". Gabrielle Glaister played Bob, an attractive girl who poses as a man, in both series 2 and 4. Rik Mayall plays Lord Flashheart,
Blackadder essentially to play himself. Political commentator Vincent Hanna played a character billed as "his own great-great-great grandfather" in the episode "Dish and Dishonesty" of "Blackadder the Third". Hanna was asked to take part because the scene was of a by-election in which Baldrick was a candidate and, in the style of modern television, Hanna gave a long-running "live" commentary of events at the count (and interviewed candidates and election agents) to a crowd through the town hall window. Howard Goodall's theme tune has the same melody throughout all the series, but is played in roughly the style of the period