Fair rating?Pennod 4: Rhan 2
As Mathias and Mared investigate Catrin's death, they begin to suspect it might be linked to the death of former police officer Iwan Thomas. However, independent investigator John Powell is on the cusp of ruling Iwan's death as a suicide - could this change things?
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#1In Season 3of 8 rated episodes
#1All-timeof 20 rated episodes
+0.8vs season avgSeason 3 averages 8.2
2016First airedDecember 18, 2016
Guest stars
Geraint Lewisas Dr. Haydn Blake
Geraint Morganas Iwan ThomasLlyr Ifansas Gareth Thomas
William Thomasas Robert Owen
Richard Lynchas Supt John PowellGwenno Hodgkinsas Elen Prosser
Gwen Ellisas Agnes Jones
Sara Lloyd-Gregoryas Catrin JohnAlex Tabrizias Hugh Vaughan
Alun Elidyras Alwyn Parry
Glain Daviesas Paul Webb's Daughter
Miriam Daviesas Paul Webb's Daughter
Elen Robertsas Maggie Webb
Mabli Jên Eustaceas Clare JeffriesCrew
Ed ThomasDirector
Mark AndrewWriter
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