Finn Wolfhard (born December 23, 2002) is a Canadian actor and musician. He gained recognition for playing Mike Wheeler in the Netflix series Stranger Things (2016–2025). His film roles include Richie Tozier in the film adaptation of Stephen King's horror novel It (2017) and its sequel It: Chapter Two (2019), Boris Pavlikovsky in the drama film The Goldfinch (2019), the voice of Pugsley Addams in The Addams Family (2019), and Trevor Spengler in the supernatural films Ghostbusters: Afterlife (2021) and Ghostbusters: Frozen Empire (2024). Wolfhard made his directorial debut with the comedy short film Night Shifts (2020).