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).