While the first season was based on Matthew Quirk's novel of the same name, the Netflix series has since gone off book, with seasons 2 and 3 telling entirely new stories.
The second season continued to follow the relationship between Peter and his love interest Rose Larkin, played by Luciane Buchanan.
Rose was a cybersecurity entrepreneur and the niece of two Night Action agents, who got caught up in the action in both seasons 1 and 2. But why is Buchanan missing from the cast of season 3? And could she return in future seasons?
Read on for everything you need to know about why Rose is missing from The Night Agent season 3.
Why is Rose Larkin missing from The Night Agent season 3?
At the end of season 2, Peter ended his relationship with Rose, telling her she should stay away for her own safety. She later confirmed to Noor that this is what she planned to do, as she instead focused on her work.
Luciane Buchanan announced her departure from the series back in September 2025, telling Deadline: "I won’t be returning to Season 3 of The Night Agent.
"And so, we don’t get to see what happens to Rose, but I think it’s a really exciting time for the show, and who knows, it's not a goodbye forever."
"I totally respected that decision and agreed. I was like, if it makes sense to a story, I'll do that. If it doesn’t, let's not force that."
"We always envisioned the show as telling a new story each season with a revolving cast, and the story we broke for Season 3, much to our chagrin, didn’t have a satisfying place for Rose."
Could Luciane Buchanan return as Rose in The Night Agent season 4?
Ryan told Deadline: "I adore Luciane as a person and as a performer and I don’t believe that this means we’re done telling the story of Peter and Rose. I hope circumstances ultimately allow for the return of Rose to our Night Agent universe."
In fact, not only could Buchanan return to The Night Agent for the show's fourth season or another future instalment, the actor has also said she would be up for starring in her own Rose-centric spin-off.
Given all of this, if the show does return for more seasons, we'd be more surprised if Luchanan didn't come back as Rose at some point than if she did. A Rose-Peter reunion seems all but nailed on.
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