Mollie Ralston: the wife of Giles Ralston, Mollie is the young owner of Monkswell Manor, a Victorian era estate that has recently been converted into a guest house.
Giles Ralston: Mollie’s husband of one year, Giles is the co-host of Monkswell Manor.
Christopher Wren: A flighty, obviously neurotic young man, Chrisopher Wren is a guest at Monkswell Manor.
Mrs. Boyle: Stern and generally unpleasant, Mrs. Boyle is a guest at Monkswell Manor.
Major Metcalf: A typical retired British military officer, Major Metcalf is a guest at Monkswell Manor.
Miss Casewell: A bit masculine in her demeanor, Miss Casewell, another guest at Monkswell Manor, remains mysteriously aloof from the other guests.
Mr. Paravicini: An unexpected guest at Monkswell Manor, Mr. Paravicini is there only because of his car became stuck in a snowbank during a terrible blizzard.
Detective Sergeant Trotter: A late arriving guest at Monkswell Manor, Detective Trotter is trying to establish a relationship between any of the guests and a murder already committed at another location.