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The Good Daughter stars Olivia Williams and Harper Steele spoke with ComingSoon’s Tyler Treese about the new Peacock series. The duo discussed their roles and if Steele will continue acting. It begins streaming on November 12, 2026.
“The Good Daughter is a suspenseful thriller wrapped in a deeply emotional story about love, family, and resilience. Sisters Charlotte (Meghann Fahy) and Samantha (Rose Byrne) Quinn have spent the last twenty years trying to piece together the lives that were fractured by a single night of violence. When another attack splinters the small town of Pikeville, Charlotte — now a lawyer like her father — is the first witness on the scene. As the case unfolds and twists through painful memories and buried secrets, what emerges is not just a story of survival, but of enduring ties between a father and his daughters – and the complex bond between sisters,” says the official synopsis.
Tyler Treese: Olivia, this is a unique role because you’re a main character, but you’re mostly in the flashback sequences that are split between the episodes. So you’re always looming and your impact is being felt despite how the show starts. So what did you find most interesting about that construction and how your character is used?
Olivia Williams: For an actor, it’s lovely because there was a slight sense that all the scenes I was in were sort of idealized. There was a sort of sepia quality, the nostalgia and the beauty of this relationship that had to sustain the generational trauma that followed. So for me, it’s quite hard talking about the other actors involved having to live through so much trauma, including the young actresses playing my daughter.
But for me, it was a sunny experience making this film, sitting by rivers and running through trees. And the awful things that happened afterwards didn’t impact me. So yes, I kind of come away from it going, “Isn’t it fun?” And everyone else is shaking and weeping from the subsequent trauma that happened after I left.
At least somebody got a trauma-free experience in the show.
Williams: There’s quite a nasty five minutes in the kitchen, but other than that, it’s all good.
Harper, you’re such a great writer, so how was it transitioning to acting and sharing scenes with great actors like Rose Byrne and Brendan Gleeson in this? I was really impressed. I had never seen you act before.
Harper Steele: Because I hadn’t. I was terrified. Yeah, it was terrifying, but I kind of liked embracing that fear a little bit. I really enjoyed that.
It was also a very forgiving and warm set. Karin was very giving. Steph Green, the director, made it a point to make sure that everyone was comfortable on this set. And you’ve seen the series, there’s a lot going on emotionally for a lot of people. And so it needed a safe space, and it felt very safe.
The whole experience felt very safe to me. So to me, it was difficult and scary, but really something I’m glad I gave my best shot.
Harper, do you have the acting bug now? Are you going to continue acting?
Harper Steele: I like sitting in my underwear in my apartment and writing too much to go out and put makeup on every day.
That is more than fair.
Olivia, I liked seeing the impact your character had on the daughters. You see why they had that feistiness and stand up for themselves. What traits of Gamma really resonated with you?
Olivia Williams: My parents were both lawyers. My mother was a defense barrister, which is an advocate that works in court, not behind a desk in the UK. And yeah, I grew up with this principle that everybody needs to be defended.
Even if you stood there and you saw them commit the crime, when they go to trial, if they plead not guilty, they need to have a competent defense in order for the rule of law to work and apply. So I absolutely grew up in the same atmosphere as those daughters.
I also love the fact that Karin gave me the opportunity to solve the Navier-Stokes equation 10-20 years before AI did it.
Thanks to Olivia Williams and Harper Steele for taking the time to talk about The Good Daughter.
