* ActorAllusion: Niall, played by Rutger Hauer, is introduced [[Film/TheHitcher picking up a hitchhiking Jason]].
* {{Defictionalization}}: Of a sort - you can buy [=TruBlood=] in the real world, but it's a blood ''orange'' flavour drink, not synthetic blood.
* FakeAmerican:
** New Zealander via Canada Creator/AnnaPaquin as Sookie Stackhouse
** Australian Ryan Kwanten as Jason Stackhouse
** English Stephen Moyer as Bill Compton
** Yugoslavic Željko Ivanek as the Magister
** Irish Fiona Shaw as Marnie Stonebrook
** Played with for Eric Northman. Creator/AlexanderSkarsgard hails from the same region of Europe as Eric, though uses an American accent accordingly.
* TheOtherDarrin:
** Carolina Bellefleur was recast between her appearances in seasons 4 and 6. Incidentally, this came with a marked change in personality from an elegant and good-natured GrandeDame to an overbearing, senile, RacistGrandma.
** James was recast with Nathan Parsons in the final season due to previous actor Luke Grimes not wanting to do a gay romance storyline.
* TheOtherMarty: Tara was originally going to be played by Brook Kerr; her scenes in the pilot were reshot with replacement Rutina Wesley.
* TheNthDoctor: Claude's change of actors (Neil Hopkins to Giles Matthey) was explained by faeries being able to change their appearance at will. Also a bit of a TakeThat to Hopkins since Sookie commented that new!Claude's old look was unattractive and had "meth teeth."
* RetroactiveRecognition:
** Eggs is clearly one of [[Series/{{Supergirl 2015}} James Olsen's]] alternate earth counterparts in the {{Multiverse}}.
** [[Creator/DeborahAnnWoll Jessica Hamby]] is clearly [[Series/Daredevil2015 Karen Page]] before she took up work with Nelson & Murdock.
* RomanceOnTheSet: Creator/AnnaPaquin (Sookie) is now married to Stephen Moyer (Bill).
* WhatCouldHaveBeen: According to the Ultimate Fan Experience Q&A shown before the third season premiere, Alexander Skarsgård had originally auditioned for the role of Bill, not Eric. Imagine ''that''.
** Katee Sackhoff was approached for the role of Debbie Pelt. Sadly, she turned it down.
* TheWikiRule: [[http://trueblood.wikia.com/wiki/True_Blood_Wiki The True Blood Wiki]].
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