Howland is a major character in the fifth and sixth seasons. He originally appeared as a minor character in the fourth season. He is the thirdborn son to Harold and Meliana Quinn.
| Game of Thrones: Season 4 appearances | ||||
| Two Swords | The Lion and the Rose | Breaker of Chains | Oathkeeper | First of His Name |
| The Laws of Gods and Men | Mockingbird | The Mountain and the Viper | The Watchers on the Wall | The Children |
| Game of Thrones: Season 5 appearances | ||||
| The Wars To Come | The House of Black and White | High Sparrow | Sons of the Harpy | Kill the Boy |
| Unbowed, Unbent, Unbroken | The Gift | Hardhome | The Dance of Dragons | Mother's Mercy |
| Game of Thrones: Season 6 appearances | ||||
| The Red Woman | Home | Oathbreaker | Book of the Stranger | The Door |
| Blood of My Blood | The Broken Man | No One | Battle of the Bastards | The Winds of Winter |