Below is a list of characters outside of the main cast who have made at least one physical appearance in an episode.
- Cosmina and Narcisa, two centuries-old internet-using vampire sisters who were guests at the Scare B&B.
- King Pepi, a mummy from Egypt.
- Olga, Vampirina's aunt.
- Nosferatu, Vee's baby cousin.
- Matilda, a cuddly Snugglot monster.
- Mr. Froufington, a foodie who visits the Scare B&B to try Oxana’s food.
- Scream Girls, Vee's favourite band.
- Franken Stacy, A highly intelligent girl who is 15 years old. She is friendly to her fellow bandmates.
- Creepy Caroline, A shy but friendly 14 year old. She can be nervous sometimes.
- Ghastly Gayle, An optimistic, enthusiastic, energetic, level-headed, and pretty 13 year old. She can be pretty ditzy sometimes. She is a bit of an airhead.
- Buttons, a blue Cuddle Monster.
- Hornadette and Shriekia, a two-headed monster whose two heads are sisters.
- Rusty Topsail, a ghost pirate.
- Uncle Bob, an old friend of Boris who is often called "Uncle Bob" by Vee.