Seth Isaac Johnson (born July 10, 2000) is a Canadian actor, recently known as Finn in R.L._Stine's 2025 YA Horror, "Pumkinhead" and Max, in Megan Park's 2024 comedy-drama film My Old Ass, as well as the recurring role of Eugene in Season 2 of the hit series Firefly Lane. Early in his career, Johnson was notable for his recurring dramatic role as Denny Larsen in AMC's The Killing. (Via Wikipedia)