 Jim's the dogsbody at the Lockhart and Selby shipping firm. He's lively, intelligent, and above all a true and loyal friend. Jim's a great amateur detective, which makes him an absolutely indispensible help for Sally as she attempts to piece together the mystery surrounding the Ruby of Agrapur.

Matt Smith
The Ruby in the Smoke is Matt's TV debut. His stage highlights include History Boys and On the Shore of the Wide World.
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