The Amazing Mr. Blunden

A war widow and mother who anchors her family's survival in wartime poverty. She accepts the Langley Park caretaker post to provide stability for Lucy, Jamie, and their baby brother, showing resilience and practical care.

A curious and brave girl who sees the supernatural world of Langley Park. She becomes a key bridge between the present and the past, convinced that they can help Sara and Georgie and willing to take risks to protect her family.

Resourceful and protective of his sister, Jamie is willing to venture through time to safeguard the family’s future. He carries the weight of responsibility and proves steady under pressure.

The enigmatic keeper of Langley Park who bears centuries of guilt. He guides the children through the mystery and time-travel mission, concealing his own pains while trying to protect the youngsters.

An orphan girl from Langley Park’s past who befriends the children and reveals the estate’s dark history. She and her brother Georgie are central to the threat that drives the rescue through time.

Sara’s younger brother, a vulnerable child whose inheritance looms as a motive for danger. His plight motivates the time-travel mission to alter history and protect him.

A dissolute uncle whose questionable schemes threaten Sara and Georgie. His actions contribute to the peril surrounding Langley Park and its heirs.

The music hall performer who moves into Langley Park with her husband and parents, hinting at ulterior motives and a willingness to manipulate events to gain the estate.

A gardener or house staff member who becomes entangled in the perilous events at Langley Park. He supports the effort to save Sara and Georgie during the 1818 timeline.

A contemporary associate connected to Langley Park’s mystery, who helps uncover the truth behind the estate’s history and the family’s fate.

A solicitor or local authority figure involved in Langley Park’s legal affairs, whose role ties the modern custody of the estate to its long history.

A supporting figure within the Langley Park circle, contributing to the estate’s layered intrigues and the mystery surrounding the house.

A medical or scholarly figure who participates in the estate’s plot, adding to the web of characters connected to Langley Park’s history.

A reviewer-like figure within the cast who contributes to the film’s atmosphere and commentary on the events surrounding Langley Park.