David Harbour is set to appear in several exciting projects following the end of Stranger Things. He stars in DTF St. Louis, an HBO dark-comedy miniseries premiering March 1, 2026, where he plays Floyd caught in a twisted suburban love triangle . On the big screen, he’s voicing a character in Goat, a Sony Pictures Animation sports comedy due in February 2026, and will reprise his Red Guardian role in the Marvel tentpole Avengers: Doomsday and the sequel Violent Night 2, both arriving in December 2026 . Harbour was also cast in the true‑crime thriller Evil Genius, directed by Courteney Cox, and had a role in Behemoth!, a Tony Gilroy film—though he exited the latter amid post‑Stranger Things fatigue .
HBO’s DTF St. Louis: Harbour’s Darkly Comic Return
HBO Dark Comedy Miniseries
Harbour headlines DTF St. Louis, a sizzling HBO limited series created by Steven Conrad. It drops March 1, 2026, and centers on a middle‑aged love triangle that spirals into dark comedy and murder .
A Cast That Speaks Volumes
He stars alongside Jason Bateman, Linda Cardellini, Joy Sunday, and Richard Jenkins. The story revolves around Harbour’s character Floyd, his spouse Carol (Cardellini), and special crimes officer Jodie (Sunday) .
Why It Matters
This marks Harbour’s return to prestige TV—with a witty, edgy premise that plays against his well-known Hopper persona. Expect unexpected humor, suburban satire, and a tense undercurrent.
Goat: Harbour’s Voice Role in a Whimsical Animated Tale
Animated Comedy with a Heart
In Goat, Harbour lends his voice to Archie Everhardt, a rhinoceros and single dad in a world where animals play a sport called Roarball. The film hits theaters in February 2026 .
A Franchise of Feel-Good Vibes
This family-friendly project pairs Harbour with Caleb McLaughlin, adding a lighter, more whimsical flavor to his post-Stranger Things slate .
Marvel’s Red Guardian Returns: Two Big 2026 Releases
Violent Night 2 — Holiday Mayhem Continues
Harbour returns as Viking-inspired Santa Claus in Violent Night 2, scheduled for December 4, 2026 . Expect more myth-building and festive action.
Avengers: Doomsday — The MCU Blockbuster
Then on December 18, 2026, he appears again as Alexei Shostakov / Red Guardian in the ensemble mega‑film Avengers: Doomsday . As part of the New Avengers, this will likely be a pivotal chapter for both his character and the MCU.
Evil Genius: Harbour Tackles Real‑Life Crime
True-Crime Thriller Ambitions
Harbour takes a dramatic turn in Evil Genius, directed by Courteney Cox. He portrays co-conspirator Bill Rothstein in the bizarre 2003 “pizza bomber” case, another shift into more intense, grounded storytelling .
Anchoring Post‑Stranger Things Drama
This neurotic, darkly real story leans into Harbour’s ability to blend intensity with vulnerability—reminding us there’s much more to his acting range than sci-fi nostalgia or action roles.
Behemoth!—A Pivot That Never Panned Out
A Tony Gilroy Collaboration That Fell Apart
Harbour was attached to Behemoth!, a film by Andor creator Tony Gilroy, co-starring Pedro Pascal and Olivia Wilde; it was billed as a love letter to film music . However, in early 2026 he exited the project, citing being overwhelmed by the intense press and emotional toll of the Stranger Things finale rollout .
Recast and Moving Forward
His role was quickly recast with Will Arnett, and production continues unhindered . It’s not returning to his current workload—but is still worth noting as evidence of his intent to branch out.
Snapshot Table: Harbour’s Post‑Stranger Things Projects
| Project | Type | Release Window | Role/Notes |
|——————-|——————–|————————-|———————————————–|
| DTF St. Louis | HBO miniseries | March 1, 2026 | Leads dark comedy character Floyd |
| Goat | Animated film | February 2026 | Voice of Archie Everhardt |
| Violent Night 2 | Feature film | December 4, 2026 | Reprising action‑comedy Santa role |
| Avengers: Doomsday| MCU blockbuster | December 18, 2026 | Returns as Red Guardian |
| Evil Genius | True-crime thriller| TBD post-2025 | Plays co-conspirator Bill Rothstein |
| Behemoth! | Abandoned drama | N/A | Exited due to emotional fatigue |
Conclusion
David Harbour is pivoting to a richly varied lineup after Stranger Things. He’ll take on dark comedic roles in DTF St. Louis, lightweight charm in animated Goat, and blockbuster presence in Violent Night 2 and Avengers: Doomsday. He’s also diving into gritty, real-world drama with Evil Genius. While he stepped back from Behemoth!, that decision underscores his prioritizing well-being after a high-pressure era. Overall, Harbour’s trajectory shows ambition, range, and a keen sense of choosing projects that challenge him in different ways.
FAQs
What is DTF St. Louis about and when does it premiere?
It’s an HBO dark-comedy miniseries about a twisted suburban love triangle with murder. Harbour plays Floyd, and it premieres on March 1, 2026 .
Which animated film features David Harbour?
He voices Archie Everhardt in Goat, a sports comedy from Sony Pictures Animation, coming in February 2026 .
Is David Harbour returning to the Marvel Universe?
Yes—he returns as Red Guardian in Violent Night 2 and Avengers: Doomsday .
Has he taken on any serious drama since Stranger Things?
He’s been cast in Evil Genius, a true-crime thriller directed by Courteney Cox, playing Bill Rothstein in the infamous pizza-bomber case .
Why did he leave the film Behemoth!?
Harbour stepped away from Behemoth! due to feeling “overwhelmed” by the intense media and promotional demands surrounding the Stranger Things finale. His role has since been recast with Will Arnett .
What tone or direction is he exploring now?
His upcoming slate blends dark comedy, animated charm, blockbuster spectacle, and dramatic true-crime. It highlights versatility and a desire to explore new creative ground.
