[15] As a special promotional broadcast, the season's second episode "You Smell Like Dinner" was made available on HBO Go a week earlier than usual.

[11] On November 8, 2010, Deadline reported that Irish stage actress/director Fiona Shaw (best known in the United States for her role as Aunt Petunia in the Harry Potter films) had been cast as Marnie, an insecure and timid palm reader who is possessed by the spirit of a powerful witch.

[18] On November 23, Deadline reported that actress Jessica Tuck, who portrays vampire spokesperson Nan Flanagan, will be promoted to series regular starting this season.

[19] Daniel Buran will play Marcus, the pack master of the Shreveport werewolves and Alcide's superior[20] and, as in the previous season, Allan Hyde will reprise his role as Godric.

[21] Gary Cole (Office Space, Harvey Birdman, Attorney at Law) will play Earl Stackhouse.