A new true crime show has just launched on BBC Two!

Forensics: The Real CSI follows crime investigations in real time. Often following very bloody and very serious crimes, including murders.

But viewers of the show couldn’t help but wonder who the narrator was and why she sounded so familiar.

So, who is the Forensics: The Real CSI narrator? Here’s everything you need to know…

Forensics: The Real CSI

Who is the narrator?

The narrator of the BBC show is Siobhan Finneran.

Siobhan is a 52-year-old actress originally from Oldham, Lancashire.

She was married to Emmerdale actor Mark Jordan from 1997 – 2014, with whom she had two children.

Siobhan Finneran: Acting bio

Siobhan has had an extensive acting career and has played characters in some major television dramas over the years.

She started out in Coronation Street in the late 1980s and went on to have guest roles on British TV shows before landing her biggest role in 2005.

Siobhan played Janice Garvey in ITV’s Benidorm from series 1 – 7!

But her success on that network didn’t stop there…

Siobhan Finneran.

What else has Siobhan been in?

Siobhan’s most well-known role would have to be the global smash hit Downtown Abbey.

She played Sarah O’Brien – Lady Grantham’s personal maid – which skyrocketed her success as an actress.

However, she also stars opposite Sarah Lancashire in the critically acclaimed Happy Valley, the third season of which should be released later this year!

WATCH FORENSICS: THE REAL CSI WEDNESDAYS AT 9 PM ON BBC TWO.

Who is Theo Campbell? The Challenge 33 star known for causing a fight on UK reality TV