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Millie Bobby Brown, David Harbour to reunite in new Netflix spy thriller series

2:04
The best of Millie Bobby Brown
Kevin Winter/Getty Images
ByMary Pat Thompson
Video byEvan Wyno
June 26, 2026, 8:58 PM

Millie Bobby Brown and David Harbour may have said goodbye to Hawkins, but they aren't finished working together.

The former "Stranger Things" co-stars are teaming up for a brand-new Netflix series, the streamer announced Friday.

Brown and Harbour are set to star in and executive produce an upcoming spy drama show from A24 that has received a straight-to-series order at Netflix. The pair will play father and daughter once again in the new series, which comes from Emmy-winning "Adolescence" writer Jack Thorne.

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The currently untitled thriller follows "disgraced FBI agent turned security expert Matt Wolfe (Harbour)" who "is drawn back into the world he left behind when his estranged daughter, Rebecca (Brown) -- now an FBI agent determined to follow in his footsteps -- vanishes on a mission, forcing him to return to a field that has evolved beyond him," according to an official description from Netflix.

Millie Bobby Brown and David Harbour attend Netflix's "Stranger Things" Season 5 World Premiere at TCL Chinese 6 Theatres on November 06, 2025 in Hollywood, California.
Jerod Harris/Getty Images for Netflix

"We are delighted to bring this spy drama to life with an extraordinary group of talent we've been fortunate to collaborate with before," Jinny Howe, Netflix's head of scripted series, US and Canada, said in a statement Friday.

"Jack Thorne's ability to find the deeply human story inside a thriller is unmatched, and watching Millie Bobby Brown and David Harbour reunite -- this time as estranged father and daughter on opposite sides of a crisis -- is something audiences are going to love," Howe added. "A24 is the perfect partner to bring this story to our members around the world."

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Brown's husband Jake Bongiovi and her father Robert Brown will executive produce the series for PCMA Productions.

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News of the series comes nearly two years after reports of behind-the-scenes conflict between Millie Bobby Brown and Harbour during filming on the final season of "Stranger Things."

The two have since acknowledged the disagreements they had previously and said they resolved them.

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