Emily Blunt opted to create her alien character's voice for "Disclosure Day" herself, rejecting AI-generated options. She experimented with various sounds, layering them to achieve a mathematical, non-terrifying vocalization.

Box Office has rarely witnessed this kind of a David vs Goliath like that between Steven Spielberg’s Disclosure Day and Curry Barker’s Obsession.

"I was going to make a movie about Ira and George Gershwin, and I was going to make a movie about the process of writing and staging Porgy and Bess," Spielberg told Amy Poehler as quoted by Deadline.