David Harbour has exited Tony Gilroy’s music-themed drama Behemoth! after filming scenes with Olivia Wilde in Los Angeles last month.
> At a Glance
> – David Harbour, 50, has left the upcoming film Behemoth! after previously shooting scenes
> – The Searchlight Pictures project also stars Olivia Wilde and Pedro Pascal
> – Harbour’s role has been recast; the replacement actor has not been announced
> – Why it matters: The departure creates a last-minute casting shake-up for the buzzy project from Andor creator Tony Gilroy
Harbour’s representatives did not respond to requests for comment, but studio reps confirmed the exit to News Of Los Angeles on January 7. Multiple outlets report the actor chose to step away to rest after a lengthy press tour for Stranger Things, which ended December 31.
Production Status

Filming began at least as early as December 10, when Harbour and Wilde were photographed on an L.A. set. Gilroy, 69, is writing and directing the feature, described in studio materials as “a love letter to the music of the movies and the people who make it.” The plot follows a cellist who returns to Los Angeles.
Upcoming Harbour Projects
Despite leaving Behemoth!, Harbour remains attached to several high-profile releases:
- Avengers: Doomsday (December 2026) – reprising Red Guardian
- Violent Night 2 (December 2026) – sequel to his Christmas action hit
- Recently wrapped eight seasons of Stranger Things, Netflix’s flagship series
Key Takeaways
- Behemoth! now has an open role after Harbour’s departure
- Tony Gilroy’s filmography includes Michael Clayton, The Bourne Legacy, and Andor
- Searchlight has not set a release window for the music-centric drama
The recasting process is underway, with Searchlight expected to reveal Harbour’s replacement soon.

