Hagrid also accidentally mentioned the mysterious name Nicholas Flamel.At Christmas time at Hogwarts (where Harry and the Weasley students remained during the holidays), Harry received a present from another anonymous individual advising "Use it well" - something passed on from his father - a rare Invisibility Cloak." Heather provided no answer, concerned that her child might be diagnosed as "unstable." Privately, the doctor surmised: "The early symptoms point to childhood schizophrenia." Heather told her mute son: "You have to fight it, whatever it is that""s after you, and you""ve got to come back to me.She was on her way to the airport, and leaving earlier than originally expected, possibly to avoid a difficult face-to-face farewell.Other stars who played convicts in the chain gang in smaller roles included Dennis Hopper, Harry Dean Stanton, Ralph Waite, Wayne Rogers, Joe Don Baker, and Anthony Zerbe.