Under Salt Marsh
Under Salt Marsh is a British crime thriller miniseries created by Claire Oakley, set in the fictional North Wales village of Morfa Halen. When teacher and former detective Jackie Ellis discovers the drowned body of her eight-year-old pupil Cefin Hill as a storm gathers, the death reopens a three-year-old disappearance that ended her career. Detective Eric Bull returns to lead the investigation as community secrets emerge across six episodes.
StatusEnded
First airedJan 30, 2026
Last airedFeb 27, 2026
Daily Popularity History
Daily Attention Score for Under Salt Marsh
Rankings
Daily Attention Score rankings for Under Salt Marsh
Time on top
How much of the past 365 days Under Salt Marsh spent at the top of TV
Days in Top 10
1
#203 of 242 shows to reach the top 10
<1% of the past 365 days
Audience Signals
Public engagement with Under Salt Marsh on August 17, 2026
Seasons
Average Attention Score by season
First 30 days after each season premiere
#
Season
Avg Buzz
1
Under Salt Marsh
12.6
#100+
Advertisement
Top Cast
By Attention Score on August 17, 2026
1
Kelly Reilly
Jackie Ellis
4.8
2
Jonathan Pryce
Solomon Bevan
2.7
3
Rafe Spall
Eric Bull
2.5
4
Brian Gleeson
Mac Jones
1.0
5
Harry Lawtey
Dylan Rees
0.8
6
Kimberley Nixon
Shell Hill
0.4