Anton Yelchin's favorite actor was Nicolas Cage.
In a 2019 interview with Awards Daily, Garret Price spoke about how Nicolas Cage came to narrate the film: "When I was framing the film. I went to his mom and told her the idea. I really wanted someone who could read his words but wasn't going to be Anton Yelchin and to read his words with the tenacity and veracity that Anton had. It was really important that this person had an emotional connection to a person. She blurted out, 'Nicolas Cage.' It was genius. We reached out to him, and he was on board from the beginning.
I sent him everything I wanted him to read two weeks before I went out. I thought he'd read it, and come in and read off the page. He came into the recording studio, and he had memorized everything. You can hear it in his readings. He said, 'We're doing something really important here.'"