A troubled man and a former Episcopal minister in his mid-thirties, Shannon arrives at the Costa Verde with a group of tourists and is prone to mental health crises and controversial decisions.

A remarkable and ethereal artist traveling with her grandfather, Hannah is resourceful and resilient, working to sell her art while navigating challenging circumstances at the Costa Verde.

Hannah's elderly grandfather, a near-centenarian poet whose primary goal is to complete his final poem, accompanies Hannah and relies on her care and support.

Part of Shannon's tour group from a Baptist women's college, Miss Fellowes serves as Charlotte's protective chaperone while Miss Goodall is a teenage singing prodigy involved in controversy with Shannon.

The Fahrenkopf family, guests at the hotel, are depicted as loud and jingoistic with their behavior reflecting the historical context of World War II, providing a backdrop of tension and dramatic irony.