* FakeBrit: Maggie Gyllenhall proudly takes her place on the list of "American actors who can actually do a convincing English accent".
* HeyItsThatGuy:
** A few ''Film/HarryPotter'' actors star in these movie, including Imelda Staunton (Dolores Umbridge) as The Chef, Kelly [=MacDonald=] (The Grey Lady/Helena Ravenclaw), Dame Maggie Smith (Professor [=McGonagall=]), Rhys Ifans (Xenophilius Lovegood) and [[spoiler:Ralph Fiennes (Voldemort)]] in the sequel, and Emma Thompson (Professor Trelawney) as the eponymous nanny.
** Hey, it's that kid from ''LoveActually''! Otherwise known as [[WesternAnimation/PhineasAndFerb Ferb Fletcher]].
** Creator/AngelaLansbury?
** MaggieGyllenhaal, [[LittleNicky Rhys Ifans]] and [[spoiler:Ewan [=MacGregor=]]] in the sequel.
** It's Mordred from the BBC's ''{{Series/Merlin}}'' in the sequel!
** [[Literature/BridgetJones Mr. Darcy]]/Bertie is raising a family all on his own. And he was about to marry Auntie Una!
* RetroactiveRecognition: Kelly [=MacDonald=] as Evangeline in the first movie.
----