Cancelling Mindhunter is still one of Netflix’s biggest unforgivable mistakes, but that’s a conversation for another day. We tuned into the show because not only was it chilling and intriguing, but also because the chemistry between Jonathan Groff’s Holden and Holt McCallany’s Bill was electric.

Their wide-eyed intensity and stoic pragmatism were the show’s greatest strengths. But you’d be happy to know that even behind the scenes, McCallany had the same respect and admiration for Groff. So let’s deep dive into his character and the surprising self-doubt about the off-screen relationship with his co-star.

Holt McCallany and Jonathan Groff’s unbreakable bond on Mindhunter Holt McCallany and Jonathan Groff in Mindhunter | Credit: Netflix

When Holt McCallany and Jonathan Groff joined forces to act in Mindhunter, where they interviewed serial killers, their rapport felt authentic. The former, being a seasoned actor, was immediately struck...