| Jimmy Perez | |
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Detective Inspector Jimmy Perez is the main character of the series. DI Perez is the lead Inspector for the Shetland Police and works out of the Lerwick Police Station. Jimmy was born and raised on Fair Isle and recently moved to Shetland after the death of his wife Fran. He lives on Shetland with his step daughter Cassie when she is not away at University. |
| Alison McIntosh | |
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Detective Sergeant Alison "Tosh" McIntosh is DI Perez's assistant. After leaving her native Glasgow, DS Alison McIntosh has always struggled to fit into the close knit community of Shetland, but under the mentorship of DI Perez she’s flourished and become a vital member of his team. |
| Sandy Wilson | |
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Detective Constable Sandy Wilson is a native to Lerwick. In season 2 Sandy works towards becoming a DC . He has become a vital member of DI Perez team and helps where he is needed. |
| Cassie Perez | |
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Cassie Perez is the biological daughter of Duncan Hunter and stepdaughter of DI Perez. She was 3 years old when her mother Fran and Duncan divorced. Fran and Jimmy Perez then married and Jimmy raised Cassie as if she was his own. Sadly, about 5 years ago her mother died. Cassie is very close with Jimmy, and calls him dad, however in comparison, her relationship with Duncan is sometimes cold and distant. |
| Duncan Hunter | |
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Duncan Hunter iis the biological father of Cassie. As a serial philanderer, Duncan’s second marriage is now under the same strain as his first to Fran. Absent in her early years, Duncan is consequently an indulgent father to Cassie which sometimes puts him at odds with Jimmy. Although they mostly co-parent harmoniously, the tension between makes it difficult for them to come together as a family. Ultimately, however, Duncan will be there for Perez when he is most needed. |
| Billy McCabe | |
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Sgt Billy McCabe runs the main desk of the Lerwick Police facility. He is a valuable member of the force, and his knowledge and experience is called upon by Jimmy during their investigations. |
| Rhona Kelly | |
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Rhona Kelly is a Procurator Fiscal and is in charge of the Lerwick Police Station. She is tough and uncompromising, and has a no-nonsense approach to work. Although she is Jimmy's boss, she has a very good relationship with him since they have worked together for some time. |
| Cora McLean | |
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Dr. Cora McLean is a medical Doctor working as a General Practitioner in Lerwick. She is used by the Shetland Police as an unofficial Crime Scene Investigator to help give preliminary details without having to wait for the medical forensic team that is based on the mainland in Aberdeen |