June is a 34-year-old woman who manages her family's long-running flower farm. She experiences strange auditory and visual hallucinations, including a mysterious red door and a vintage song playing on loop. Convinced she is succumbing to a matrilineal family curse that causes the Farrow women to lose their minds, she actively avoids romantic attachments. She searches desperately for answers regarding her mother's mysterious disappearance shortly after June's birth.

Margaret is June's grandmother who recently passed away after years of cognitive decline. Though modern Jasper remembers her for her apparent mental illness, she appears in the 1951 timeline as a vibrant sixteen-year-old girl with storm-cloud blue eyes. She provides June with steady affection and unconditional trust across both time periods.

Eamon is a hardworking Irish immigrant managing a tobacco farm in 1951 Jasper. He raises his young daughter alone and carries the emotional weight of his wife's sudden disappearance a year prior. He acts with blunt honesty and protects his family intensely from the suspicions of the local townspeople.

Birdie is a maternal figure who lives with June and Margaret. She holds deep knowledge about the Farrow family history and the mysterious red door June keeps seeing. Recognizing the signs of the family curse, she instructs June on what to do next.

Mason is a 34-year-old Jasper resident who manages the local flower shop. He maintains a fierce loyalty to June, respecting her boundaries while offering continuous emotional support. He represents a potential, ordinary life that June refuses to pursue due to her fear of the curse.

Caleb is the clean-cut police deputy operating in 1951 Jasper. He works relentlessly to solve the recent murder of the town's minister. His aggressive investigation tactics create tension with the Stone family as he attempts to uncover the truth behind the local tragedy.

Esther is June's great-great-grandmother who operates the Farrow flower farm in the mid-twentieth century. She approaches the magical realities of her bloodline with a practical, no-nonsense attitude. She manages the family business efficiently while guarding the specific rules of the temporal doorways that appear to the Farrow women.

Susanna is June's mother who vanished shortly after giving birth. Her disappearance defines much of June's early life and prompts June's search into the town's historical records. Official reports claim she died after losing a child, but her appearance in conflicting historical documents suggests a different reality.

Nathaniel is a historical Jasper minister whose 1950 murder serves as a major local mystery. Town newspapers portray him favorably, masking a cruel reputation that surfaces during June's investigation into the past.

Annie is a young child living on the Stone tobacco farm in 1951. She experiences distress over her mother's sudden absence, frequently waking up crying during the night. She remains watchful and cautious around unfamiliar people.

Ida is a resident of modern-day Jasper who lives next door to the Farrow family. She assists June in searching through historical records to locate information about Susanna Farrow.

Dr. Jennings is the local physician in Jasper who managed Margaret Farrow's medical care during her decline. He administers regular blood tests to June and tracks her symptoms to identify patterns in her perceived illness.

Mimi is a 1951 Jasper resident whose credibility the town frequently dismisses due to her alcohol use. She claims to have witnessed a bloody, chaotic scene on the night the local minister died.