Overview
- Series 15 premieres Friday 30 January at 9pm on BBC One and BBC iPlayer, following the BBC’s official schedule reveal.
- Don Gilet returns as DI Mervin Wilson and Don Warrington is back as Commissioner Selwyn Patterson, alongside Elizabeth Bourgine, Shantol Jackson and Shaquille Ali‑Yebuah.
- Ginny Holder’s Darlene Curtis departs off screen, as confirmed by the show’s official channels, prompting fan tributes.
- Catherine Garton joins the Saint Marie team as Sergeant Mattie Fletcher, described by cast as a tenacious, maverick “big‑sister” figure with layers to uncover.
- The BBC announced a star guest lineup including Siobhan Finneran, Sarah Hadland, Sean Delaney, Hermione Norris, Steffan Rhodri, Ben Willbond and Gary Wilmot, with storylines teasing Mervin’s bond with half-brother Solomon and Selwyn’s bid to rebuild trust.