3 Tymor
24 Pennod
Y Gwyll - Season 1
- Blwyddyn: 2016
- Gwlad: United Kingdom
- Genre: Crime, Drama, Mystery
- Stiwdio: S4C
- Allweddair: wales, homicide, village, investigation, man woman relationship, police, murder, tragedy, murderer, police detective, policeman, death, policewoman, family tragedy, trace
- Cyfarwyddwr: Ed Talfan, Ed Thomas
- Cast: Richard Harrington, Mali Harries, Alex Harries, Hannah Daniel, Aneirin Hughes