- First discovered at a National Eisteddfod of Wales (a Welsh festival of literature, music and performance).
- Can speak Welsh fluently.
- Plays the piano, guitar, and bass guitar.
- Is dyslexic.
- Was the lead singer in The Convictions before deciding to pursue a career in acting.
- Has released three solo EPs in 2010, 2011 and 2013 respectively.
- 2013, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Drama Series: Nominee
- 2015, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Drama Series: Nominee
- Tomos Rheon — Father
- Einir Rheon — Mother
- Aled Rheon — Brother
- London Academy of Music and Dramatic Art, London, England
Season 6, Episode 5
- Birth Place: Carmarthen, Wales
- Birthday: May 13, 1985, Taurus
- Profession: Actor