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Hamish Linklater brings shocking intensity to Elsbeth tonight as a wealthy biohacker obsessed with immortality. The Gen V actor plays Archer Kopunek, a tech-entrepreneur willing to kill to stay young. Can Carrie Preston‘s quirky detective solve this murder before the evidence vanishes?
🔥 Quick Facts
- Episode Title: “Ol’ Man Liver” airs Thursday, February 26, 2026 at 10 PM ET/PT on CBS
- Hamish Linklater: Plays Archer Kopunek, a biohacker with an extreme diet, vigorous exercise regimen, and murder motive
- The Case: Elsbeth investigates a suspicious death involving a heart donation and cutting-edge longevity technology
- Guest Star Background: Linklater known for Gen V, The Crazy Ones, Legion, and New Adventures of Old Christine
Linklater Joins Elsbeth In Winter Return Episode
CBS is bringing back its hit crime drama after winter hiatus with this murder mystery twist. Hamish Linklater guest stars as Archer Kopunek, a tech mogul obsessed with extending his life through extreme biohacking protocols. According to Paramount Press Express, he will stop at nothing, including murder, to maintain his immortality quest. The episode marks Linklater’s first appearance on the series and promises intense interrogation scenes with Carrie Preston’s brilliant detective.
Tonight’s episode follows Elsbeth’s midseason finale shocker involving mayoral candidate Alec Bloom. The return episode kicks off the final stretch of Season 3 with fresh cases and unexpected twists that will keep viewers on edge.
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The Biohacker Murder Mystery Unravels
In exclusive sneak peek footage from PopCulture.com, Elsbeth arrives at Archer’s luxury home to question him about Tyler, a young trainer who mysteriously died. The situation gets complicated when Elsbeth discovers Tyler donated his heart to someone close to the investigation. Linklater’s character reveals he and Tyler were both following an unconventional longevity protocol involving extreme dietary restrictions and biohacking technology.
Archer explains that his smart ring, which also tracks Tyler’s data, automatically called 911 when Tyler experienced distress. But if they were both on the same anti-aging protocol, why did Tyler die so young? Elsbeth’s detective instincts kick into overdrive as she digs deeper into this murky world of tech obsession and medical shortcuts.
Guest Star Timeline And Episode Details
| Detail | Information |
| Episode Title | Ol’ Man Liver (Season 3, Episode 11) |
| Guest Star | Hamish Linklater as Archer Kopunek |
| Air Date and Time | Thursday, February 26, 2026, 10 PM ET/PT |
| Network | CBS and Paramount+ with Paramount+ Premium |
| Written By | Eric Randall, Matthew K. Begbie |
| Directed By | Scott Ellis |
“A tech-entrepreneur turned fitness freak with a quest to live forever. That requires a strict diet, exercise, pharmaceuticals, sleep regimen, and possibly murder.”
— CBS Elsbeth official character description
What’s Next For Elsbeth Season 3
Showrunner Jonathan Tolins teased major developments returning in Elsbeth’s back half of Season 3. Viewers will finally get resolution on Elsbeth’s complicated relationship with Alec Bloom, and fan favorite Kaya Blanke (played by Carra Patterson) will return as a guest star after being promoted to Washington, D.C.. Upcoming episodes feature Steve Buscemi in an episode about a crossword championship murder, Jeff Hiller as a celebrity wigmaker, and Constance Wu and Anna Camp in future cases.
The series has already been renewed for Season 4, ensuring Elsbeth’s quirky brand of crime-solving continues beyond this year. Each episode brings high-profile guest stars and increasingly eccentric murder cases across New York City’s most exclusive circles.
Is Tonight The Perfect Time To Jump Into Elsbeth?
If you’ve never seen Elsbeth, tonight’s episode offers a fresh entry point into Carrie Preston’s brilliant detective work. The series thrives on standalone murder mysteries featuring memorable guest stars, so each episode works independently. Linklater’s portrayal of an immortality-obsessed billionaire provides plenty of dramatic tension and comedic opportunities as Elsbeth uncovers his secrets. Will this biohacking entrepreneur become Elsbeth’s most intriguing suspect yet?
