Finn Wolfhard (born December 23rd, 2002) is a Canadian actor and musician, best known for his portrayal of Mike Wheeler in the Netflix original television series Stranger Things.
He also portrayed a young Stefan Babcock in the music videos for the punk rock songs 'Guilt Trip' and 'Sleep in the Heat' by Canadian band PUP.
As he started his acting career in 2013, he didn't have many roles in film and television. Portraying Mike Wheeler in Stranger Things was his first major role. He made his film debut in the movie It as Richie Tozier which was released on September 8, 2017.
Wolfhard auditioned for the 2017 film "It" around the same time that he auditioned for Stranger Things. He was able to star in Stranger Things due to the movie being pushed back. 
He is a member of the rock band Calpurnia. He has also made Billboard Chart debut with his band on 2018 by releasing their single "City Boy".  His band has also released their debut extended play "Scout".