- Hey, It's That Guy!: The chick from A Knight's Tale, Shannyn Sossamon, plays a reoccurring villainess. Also, Veronica Mars' Deadpan Snarker Jerk with a Heart of Gold Logan plays Deadpan Snarker Josef.
- Doctor Who fans will recognize Beth as Reinette, the Girl in the Fireplace.
- While, here, Beth is a human with a vampire love interest, in Underworld she's a vampire in love with another vampire.
- You'd probably recognize his voice if he spoke in a British accent- the death row inmate Donovan Shepard? He's Balthier.
- Ari is the professor who leads a vampire cult made up of college students in the first episode.
- And his assistant is Norse God Bragi/Anders.