Did you know that, in addition to interviewing notorious serial killers in his spare time, Holt McCallany can speak French? Usually when McCallany and costar Jonathan Groff are on camera together, they're chatting with convicted murderers and chainsmoking their troubles away in David Fincher's Netflix thriller Mindhunter. He speaks French. But in a recent video doing the rounds on Twitter , we get to see Groff stare intently at his costar while he speaks French with news outlet France Inter in footage from a 2017 interview. Usually when McCallany and costar Jonathan Groff are on camera together, they’re chatting with convicted murderers and chainsmoking their troubles […] Holt McCallany (born Holt Quinn McAloney; September 3, 1963) is an American actor, writer, and producer.He is known for portraying Bill Tench on the series Mindhunter (2017–present) and has had several supporting roles in various television series and films. Did you know that, in addition to interviewing notorious serial killers in his spare time, Holt McCallany can speak French? I love how he even says "mindhunter" with a french … McCallany's french is very good, he does make some grammar mistakes but overall it feels very natural and fluid, you can tell he spent some time in France. He began school at the age of five in Dublin, Ireland, and then returned to the States following his parents’ divorce. Because now that I do, I don’t think my life will ever be the same. Because now that I do, I don't think my life will ever be the same. Usually when McCallany and costar Jonathan Groff are on camera together, they're chatting with convicted murderers and chainsmoking their troubles away in David Fincher's Netflix thriller Mindhunter. McCallany was born in New York City, the son of a legendary cabaret singer and a Tony award winning actor/ producer. You're welcome. So, in short: Holt McCallany speaks French, Jonathan Groff and I are equally enamored by it, and you can watch the full in interaction from France Inter's 2017 interview below.