The Guest is a gripping four-part psychological thriller from the BBC, set against the moody backdrop of Cardiff.
Starring Eve Myles (Keeping Faith) and Gabrielle Creevy (In My Skin), the series originally premiered on BBC iPlayer on Monday, 1st September 2025, with its first episode also aired on BBC One at 9pm that evening.
The Guest tells the story of two very different women whose lives become dangerously entangled after a chance encounter, as their relationship spirals into a perilous psychological game.
Release date for US Audiences
In the US, The Guest will premiere on SHOWTIME on Sunday, 19th October 2025, following a streaming release via Paramount+ (with SHOWTIME) two days earlier, on Friday, 17th October.
Who’s in the Cast for The Guest?
The gripping drama features a strong Welsh cast:
Eve Myles as Fran Sharp – a woman with a seemingly perfect life that quickly begins to unravel
Gabrielle Creevy as Ria Powell – a troubled young woman who inserts herself into Fran’s world
Also starring are Siôn Daniel Young, Emun Elliott, Julian Lewis Jones, Bethan Mary-James, and Clive Russell.
Written and created by Matthew Barry, the show was produced by Quay Street Productions (the team behind Nolly and It’s a Sin) in collaboration with BBC Cymru Wales.
When Did the Trailer for The Guest Drop?
The official trailer for The Guest was released on 22nd August 2025.
Where Was The Guest Filmed?
Filming took place in and around Cardiff from September to November 2024, capturing the darker corners of the Welsh capital to great effect.
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