Actor: Justin Gear Jimmy was a friend of Mason. He attacked him in front of the bar cause he thought that Mason slept with Jimmy's girlfriend Marla. Mason accidentally killed him, which triggered the curse.
Actress: Jackie Prucha Theophilia Flowers is the landlady of a small Bed & Breakfast in Mystic Falls. She is seen carrying bags into Katherine Pierce's room for her. She is heavily mentioned in the Novels, her counterpart being Theophilia Flowers.
Actor: Oleg Sapoundjieva Katerina's Father was the father of Katherine Pierce. He took her daughter after she gave birth to her. He was killed by Klaus. According to his daughter, he was a Traveler.
Actor: Madison Connolly Katerina's Sister was the younger sister of Katherine Pierce. She was also killed by Klaus. Later in the episode she is shown in a sketch attached to the Petrova book along with her mother and father.
Actor: Sandra Lafferty Old Woman was compelled by Rose. Rose lived in her house. Later Katherine came and after she killed herself there, Rose tried to kill her by staking her, but instead Katherine grabbed the old lady and put her in front of her. Rose accidentally killed her. Katherine than fed on her and ran away.
Actor (Only one known, named Chance): Michael L. Covington Werewolves came to fight with Damon and Stefan. This one, Chance is either dead or he escaped.
Actresses: Carissa Capobianco & Valee Gallant Four 1864 Girls were used by Stefan just to drink their blood. Damon compelled them to leave, but they are probably dead.