United Kingdom, April 5 -- Finn Wolfhard had a "blind optimism" at the start of his career.

The 22-year-old actor actually spent years trying to establish himself as a director, before he received the financial backing to make 'Hell of a Summer', his comedy-horror film.

Finn - who is best known for playing Mike Wheeler on the hit Netflix series 'Stranger Things' - told People: "It was a long process. I started writing this movie at 16 ... and I don't know how we got through it.

"That was the entire process, but we were lucky enough to have amazing people behind us and producers that really believed in us as filmmakers."

Finn confessed to being blindly optimistic earlier in his career, when he assumed that he'd easily find support for ...