William and Anna never kiss each other on the lips, this in contrast to Anna and Jay.
After some viewers complained about the sexual content, NetflixUK used social media to issue this particular warning for potentially sensitive viewers: "If you've made the (questionable) decision to watch Obsession with your parents, these are the moments you'll probably want to excuse yourself." Then they listed timestamps where sexual content appears in each episode.
Richard Armitage said his full frontal nude scene was a liberating experience to film. He was warned that it will be challenging, but he told them it'll be fine. "I'll approach this like a European, like how the French deal with cinema, see their view of the human body and their view of relationships and intimacy. They're much more relaxed." He added that it "really was" liberating to be nude on the series, admitting: "My attitude is 'It's the body, it's the human body'. Just be a little bit laissez-faire about it. If you are uncomfortable with it, then it's your problem. Don't be uncomfortable about it."
Actress Charlie Murphy said in an interview that she and Richard Armitage had bruises all over their bodies after filming a vigorous nude sex scene on a hardwood floor.
The third (thriller)cooperation between Richard Armitage and NetFlix, after The Stranger (2020) and Stay Close (2021).