Esme's lifelong best friend, Kayla contrasts Esme with her bubbly and dramatic personality. She often avoids reflecting on guilt and is eager to leave the past behind, wanting to enjoy her time at camp without being burdened by previous events.

Initially a charming and mysterious character, Olly shares a mutual attraction with Esme and gradually becomes more involved in the camp's mysterious happenings. He provides support to Esme despite their history intertwined with the past camp incident.

The story's antagonist, Lillian is a mysterious figure connected to the unsettling incidents at camp. Her presence looms as a dark reminder of the past encounter with Esme and Kayla.

A counselor-in-training with a seemingly shy nature, Rebekah is eager to connect with Esme, creating suspicion about her intentions. Her character evolves as more connections between her and the camp events are uncovered.

The lead counselor, Andy is characterized by his strict demeanor and attention to camp procedures, although his failure to recognize and act on the seriousness of the camp's incidents has significant consequences.