But the director tells EW that one stuntman in particular inspired Pitts character.
I had a couple of actors tell me about this guy and I found him a very fascinating character.
He was just this dangerous dude.

Andrew Cooper/Columbia
There was just something scary about the guy and he was kind of indestructible.
He could do stunts that nobody could.
He had this killer aspect to him and thats why he ultimately scared people.
Once Upon a Time in Hollywoodcostars Margot Robbie as the real-life actress, Sharon Tate.
Watch the trailer forOnce Upon a Time in Hollywood, below.