It is a spin-off of The Vampire Diaries series which centers on Mikaelson siblings who are also three of the world's original vampires, Klaus, Elijah and Rebekah in New Orleans. Stars Joseph Morgan as Niklaus Mikaelson, Daniel Gillies as Elijah Mikaelson, Claire Holt as Rebekah Mikaelson, Phoebe Tonkin as Hayley, Daniella Pineda as Sophie Deveraux, Charles Michael Davis as Marcel, Leah Pipes as Camille, Eka Darville as Diego and Callard Harris as Thierr.