Gracie, Angelina, Viki, and A.Z. think they heard a mysterious tapping noise in Roquefort Hall is from a ghost. Angelina's friendship with Gracie is strained due to the many friends that Angelina has and the limited time she has to spend with each of them.

• Mallory Lewis
• Katharine Holabird
• Helen Craig

• James McAvoy
• Jo Wyatt
• Hilary Duff