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CSI: Crime Scene Improvisation to Make Underbelly Boulevard Soho Debut at Fringe Fix Festival

The award-winning improv comedy returns to London this September following Edinburgh Fringe success

by Staff Writer
June 19, 2026
Reading Time: 2 mins read

CSI: Crime Scene Improvisation will make its debut at Underbelly Boulevard Soho on Friday 18 September as part of the Fringe Fix Festival.

The festival celebrates standout shows from the Edinburgh Festival Fringe, bringing them into the heart of London’s West End.

The improvised comedy, which has enjoyed multiple five-star, sell-out runs in Edinburgh, invites audiences to take control of the narrative in a fully spontaneous murder mystery.

       

No one knows who the killer is, not even the cast, as each performance is created live based on audience suggestions.

Co-creator Sarah Kempton said, “We’re thrilled to be a part of Fringe Fix this year and bringing CSI to Underbelly Boulevard for the first time! I can’t wait to introduce the show to a new audience and create a brand-new story!”

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Before its Soho debut, the production will also play at Wilton’s Music Hall on Friday 10 July and return to the Edinburgh Festival Fringe at Underbelly Bristo Square this summer.

Blending quick wit with absurd humour, CSI: Crime Scene Improvisation has been solving entirely made-up crimes for more than 12 years.

The show has picked up accolades including the Comedy Award at Colchester Fringe 2024 and Best Improvisation at Leicester Comedy Festival 2023.

The cast for the Underbelly Boulevard Soho performance includes Lee Apsey, Steve Bond, James Cann, Danielle Downey, Sarah Kempton and Nicola Lucey.

       

Listings and ticket information can be found here.

 

Staff Writer

Staff Writer

At Theatre Weekly we are dedicated to giving theatre a new audience. Our News, Reviews and Interviews are all written with the audience in mind, helping you decide what to see next. And when you have decided, our great ticket deals will help save you money too.

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