The following is a list of characters from Ghost Camp in the order they are mentioned or appear.
|Book||Alex is the younger brother of Harry Altman, the protagonist of the book. Alex is an incredible singer. He is sent to stay at Camp Spirit Moon alongside his brother.|
|Book||Harry is the older brother of Alex Altman. He is more athletic than his brother, and he is also sent to stay at Camp Spirit Moon alongside his brother.|
|Book||Though briefly mentioned, the bus driver that takes Harry and Alex to camp spirit moon is a young man with an earring in one ear and a suntan.|
|Mr. Altman and Mrs. Altman
|Book||These are Alex and Harry's parents. They send Harry and Alex to Camp Spirit Moon because it was the camp available at the last minute.|
|Book||Counselors of Camp Spirit Moon wear white tennis shorts and white T-shirts. Only a few counselors are mentioned by names. Chris greets Harry and Alex when they arrive. Veronica helps host auditions for the camp's talent show.|
|Book||Uncle Marv is a huge and booming man. He has tiny, rounds eyes and long, black hair.|
|Book||Elvis befriends Alex at camp. He is a terrible singer.|
|Book||Lucy befriends Harry at camp. She has long black hair and a husky voice, and Harry describes her as being pretty.|
|Sam and Joey
|Book||Sam and Joey are two of Alex and Harry's bunk-mates.|
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