Harrison John Osterfield (born 4 July 1996) is a British actor and model. He first gained prominence through his supporting role as Snowden in the miniseries Catch-22 (2019). He then starred as Leopold in the Netflix series The Irregulars (2021).
In a lavish world where darkness reigns and science collides with superstition, Alina Starkov has the power to save her country…but it comes with a price in The Grisha Trilogy by New York Times-bestselling author Leigh Bardugo.