In what century were the Originals turned into vampires? Who was the show’s first murder victim? What is Hayley’s birth name?
For fans of the CW’s Vampire Diaries spin-off, these questions are a piece of cake. But what about for the show’s stars? EW quizzed Phoebe Tonkin, who plays Hayley, and Charles Michael Davis, who plays Marcel, to see how well they know their own show.
Watch the video above to find out which Original sibling both actors forgot about (and which of the X-Men Davis almost listed as one of them), witness their confusion over how to figure out Marcel’s age, and see which of the stars comes out on top.