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The Mystery of the Blue Train · Character

Derek Kettering

Derek Kettering is a character in The Mystery of the Blue Train by Agatha Christie.

major

Also known as Mr. Kettering, Derek, M. Kettering, Monsieur Kettering

First appearance: 0005-iv-in-curzon-street

Ruth's estranged husband, a charming but reckless man under suspicion.

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Derek Kettering — The Mystery of the Blue Train Character Guide