Six Four: Everything you need to know about ITV show including cast and Scottish filming locations

ITVX thriller Six Four has been entertaining the nation with its twisty plot, excellent cast and Scottish locations.
Lauren Jack
By Lauren Jack
Published 9th Nov 2023, 09:30 GMT
 Comment
Kevin McKidd as Chris O’Neill and Bradford's Vinette Robinson as Michelle O'Neill. Picture: ITV.Kevin McKidd as Chris O’Neill and Bradford's Vinette Robinson as Michelle O'Neill. Picture: ITV.
Kevin McKidd as Chris O’Neill and Bradford's Vinette Robinson as Michelle O'Neill. Picture: ITV.

With a star-studded cast and familiar Scottish locations, ITV drama Six Four has made a compelling watch.

The crime thriller was released on ITVX earlier this year with the four episodes being broadcast on STV at 9pm from Sunday October 22.

Hide Ad

Based on the bestselling novel of the same name by Hideo Yokoyama, the twisty programme stars Kevin McKidd and Vinette Robinson and will leave viewers guessing until its conclusion, which airs at 9pm on Sunday November 12.

Set in Glasgow and Edinburgh the limited series follows Chris (McKidd) and Michelle (Robinson), parents who are struggling with the disappearance of their daughter, which points to a larger mystery involving an infamous cold case from years before.

Here’s everything you need to know about Six Four, from the cast to filming locations.

Six Four cast

Six Four has been boosted by its excellent cast which includes not only Kevin McKidd and Vinette Robinson, but also James Cosmo and Alex Ferns.

McKidd plays Detective Constable Chris O'Neill who is married to Robinson’s character Michelle, a former undercover officer.

McKidd is known for his work as Owen Hunt in long-running American drama Grey’s Anatomy and Tommy Mackenzie in Trainspotting, as well as his roles in TV shows and films such as Rome and Brave, while viewers may recognise Robinson for her work in Boiling Point, Doctor Who, Sherlock and more.

Vinette Robinson as Michelle O'Neill and Kevin McKidd as Chris O’Neill in Six Four. Picture: ©ITV.Vinette Robinson as Michelle O'Neill and Kevin McKidd as Chris O’Neill in Six Four. Picture: ©ITV.
Vinette Robinson as Michelle O'Neill and Kevin McKidd as Chris O’Neill in Six Four. Picture: ©ITV.
Hide Ad

Outlander’s Andrew Whipp plays Assistant Chief Constable Phillip O'Neill, the older brother of McKidd’s character, while James Cosmo portrays Jim Mackie, a lawyer and father of another missing woman.

Alex Ferns – an actor best known for his role as the villainous Trevor Morgan in EastEnders – plays Constable Gordon Byrne, a Dumfries-based police officer investigating the disappearance of a young woman.