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Young Sherlock Season 1

Series 1

20186 EpisodesComedy, Drama

Cast & Crew

Kathy Kiera Clarke

Kathy Kiera Clarke

Aunt Sarah

Ian McElhinney

Ian McElhinney

Granda Joe

Nicola Coughlan

Nicola Coughlan

Clare Devlin

Louisa Harland

Louisa Harland

Orla McCool

Siobhán McSweeney

Siobhán McSweeney

Sister Michael

Jamie Lee O'Donnell

Jamie Lee O'Donnell

Michelle Mallon

Saoirse-Monica Jackson

Saoirse-Monica Jackson

Erin Quinn

Tommy Tiernan

Tommy Tiernan

Da Gerry Quinn

Tara Lynne O'Neill

Tara Lynne O'Neill

Ma Mary Quinn

Dylan Llewellyn

Dylan Llewellyn

James Maguire

Leah O'Rourke

Leah O'Rourke

Jenny Joyce

Episode Guide

In the early 1990s, on the first day of school, 16-year-old Erin endures a terrible start when she wakes to find her cousin Orla reading her diary. Meanwhile, Granda Joe announces there's a bomb on the bridge.

Series 1 FAQs

The cast of Series 1 includes Kathy Kiera Clarke as Aunt Sarah, Ian McElhinney as Granda Joe, Nicola Coughlan as Clare Devlin, Louisa Harland as Orla McCool, Siobhán McSweeney as Sister Michael, Jamie Lee O'Donnell as Michelle Mallon, Saoirse-Monica Jackson as Erin Quinn, Tommy Tiernan as Da Gerry Quinn, Tara Lynne O'Neill as Ma Mary Quinn, Dylan Llewellyn as James Maguire, and Leah O'Rourke as Jenny Joyce.