Paul Walter Hauser isn’t afraid to explore his dark side, even if it’s at the detriment of his vocal chords.

The star lost 40 pounds and took on a creepy voice to play accused serial killer Larry DeWayne HallThe opposite Taron EgertonThe Apple TV+ true-crime series Black Bird—none of which was required, by the way.

Larry Hall doesn’t have the same fame as someone who does something similar to a Rolling Stonesbiopic and play Mick JaggerCelebHomes News was told by him. While you could possibly get away without nailing Larry’s vocals, for me it’s part what helps me to understand the character.”

So while the high-pitched voice “sucked” and was, at times, painful to imitate, Paul said he felt that it was important to the role. It’s an indication and tool that Larry can be difficult to portray at times, he said. It felt almost as if he was trying to get sympathy, to appear innocent or dim-witted.