Mollie Ralston – wife of Giles Ralston, a kind and gentle woman who just opened up Monkswell Manor, an estate turned guest house that is snowed in.
Giles Ralston – husband of Mollie Ralston, a suspicious yet, sweet man is the host of Monkswell Manor
Christopher Wren – A flighty and slightly insane man, guest at Monkswell Manor.
Mrs. Boyle – Unliked and rude, Mrs. Boyle is another guest at Monkswell Manor.
Major Metcalf – Cordial and sociable, retired Major Metcalf is a guest.
Miss Casewell – Off-putting to the other guests, Miss Casewll is another guest.
Mr. Paravicini – An unexpected late-arriving guest, Mr. Paravicini appears unfavorable and suspicious to the other guests.
Detective Sergeant Trotter – Connecting Monkswell Manor to the first murder, Trotter stays at the estate to question the guests.