Mollie Ralston, the protagonist of The Mousetrap, is the owner of Monkswell Manor. A young woman in her twenties, she recently inherited the manor from her aunt and has opened it as a guesthouse…
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Detective Sergeant Trotter (Georgie Corrigan)
Claiming to be sent by the Berkshire Police, Detective Sergeant Trotter comes to Monkswell Manor to protect its residents from becoming the next victims of Maureen Stanning’s murderer—at least that’s what he claims. Trotter…
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Miss Casewell (Kathy Corrigan)
Leslie Margaret Katherine Casewell is one of the guests staying at Monkswell Manor. She’s a 24-year-old woman with a direct and authoritative demeanor, which makes the other characters perceive her as masculine. While she’s highly…
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Christopher Wren
Christopher Wren, a young man who introduces himself as an architect, is one of the guests staying at Monkswell Manor. Because of his peculiar enthusiasm and often off-putting sense of humor, many of the other…
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Mrs. Boyle
Mrs. Boyle is one of the guests staying at Monkswell Manor. She’s an old, haughty woman who complains incessantly about the cold weather, the lack of proper staff at the manor, and Mollie’s poor…
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Giles Ralston, Mollie’s husband of one year, helps Mollie run the newly opened Monkswell Manor guesthouse. Unlike his wife, Giles is skeptical of their guests’ trustworthiness, and he’s more judgmental of their personalities. In…
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Mr. Paravicini
Mr. Paravicini, an enigmatic foreigner, is an unexpected guest at Monkswell Manor. On the night of the winter storm, he claims that his car overturned in a snowdrift and asks for a room at the…
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Maureen Lyon (Mrs. Stanning)
Maureen Stanning, wife of John Stanning, lived at Longridge Farm. She and her husband became the foster parents of the three Corrigan children, whom they mistreated and neglected until the youngest child died. Both…
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Major Metcalf
Major Metcalf is one of the guests staying at Monkswell Manor. He’s a middle-aged man with a military bearing and is polite, disciplined, and unassuming. At the end of the play, he reveals that he’s…
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Minor Characters
John Stanning
John Stanning and his wife, Maureen, lived at Longridge Farm, where they cruelly abused and neglected their foster children. After the youngest child, Jimmy Corrigan, died, the Stannings were arrested and imprisoned. John died in jail.