One of the great joys of Only Murders in the Building is its impeccable casting. Each season, our beloved trio of amateur sleuths finds themselves entangled with a new roster of eccentric, mysterious, and utterly fascinating characters, all played by some of the most talented actors working today. Season 5 is no different—in fact, it might just be the show’s most star-studded lineup yet.
As Charles, Oliver, and Mabel investigate the suspicious death of their beloved doorman, Lester, they’ll cross paths with everything from old-school mobsters to a new class of New York billionaires. Here’s your essential guide to everyone you’ll see in the Arconia this season.
Who are the main returning cast members in Only Murders in the Building Season 5?
At the heart of it all, of course, are our three podcasting partners-in-crime-solving, all returning to lead the investigation:
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Steve Martin as Charles-Haden Savage: The slightly neurotic, formerly-famous actor.
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Martin Short as Oliver Putnam: The eternally dramatic, always-broke Broadway director.
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Selena Gomez as Mabel Mora: The sharp, artistic, and emotionally grounded youngest of the trio.
They’re joined by a wonderful group of returning Arconia residents and allies who make the building feel like home:
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Michael Cyril Creighton as Howard
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Jackie Hoffman as Uma
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Da’Vine Joy Randolph as Detective Donna Williams
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Meryl Streep as Loretta Durkin (Oliver’s partner and a newly minted star)
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Who are the new guest stars in Only Murders in the Building Season 5?
This season’s mystery introduces a phenomenal list of A-list guest stars, each bringing a new layer of intrigue, comedy, and suspicion to the story.
| Actor | Character | Who They Play |
|---|---|---|
| Teddy Coluca | Lester | The Arconia’s beloved doorman, whose death kicks off the investigation. |
| Dianne Wiest | Lorraine Coluca | Lester’s widow, a former opera singer. |
| Téa Leoni | Sofia Caccimelio | A woman who hires the trio to find her missing husband, with a potential spark with Charles. |
| Bobby Cannavale | Nicky “The Neck” Caccimelio | Sofia’s missing husband, the “Dry-Cleaning King of Brooklyn” with mob ties. |
| Renée Zellweger | Camila White | A billionaire hotel magnate and part of the “new mob of New York.” |
| Christoph Waltz | Sebastian “Bash” Steed | A tech billionaire and longevity enthusiast, the richest of the rich. |
| Logan Lerman | Jay Pflug | A pharma “nepo baby” who rounds out the trio of billionaires. |
| Keegan-Michael Key | Mayor Tillman | The fanboy mayor of New York City who gets involved in the case. |
| Jermaine Fowler | Randall | The Arconia’s new doorman, whose training is cut short. |
| Beanie Feldstein | Althea / “Thé” | Mabel’s childhood friend, now a famous, judgmental pop star. |
READ MORE: When Do New Episodes of Only Murders in the Building Season 5 Come Out?
Are there any surprise returning characters?
Yes! In a wonderful flashback episode dedicated to Lester’s history in the building (Episode 2, “After You”), we get some fantastic surprise cameos from past characters, including:
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Nathan Lane as Teddy Dimas (first time back since Season 2!)
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Julian Cihi as Tim Kono (Mabel’s friend and the Season 1 victim)
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Jayne Houdyshell as Bunny Folger (the former board president and Season 2 victim)
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Jane Lynch as Sazz Pataki (Charles’s eccentric stunt double)
These appearances are a true gift for long-time fans, offering a nostalgic look back at the characters who built the show’s legacy.
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Why is this season’s cast so special?
It’s the perfect blend. The returning core cast provides the heart and humor we’ve loved for five seasons, while the new guest stars feel like they were tailor-made for the show’s specific tone—whimsical, a little dark, and deeply human.
Having heavy-hitters like Renée Zellweger describe her character as the “human incarnation of a Nancy Meyers kitchen” or Christoph Waltz play a health-obsessed tech billionaire is exactly the kind of clever, slightly absurd casting that makes Only Murders so delightful. They’re not just famous faces; they’re perfectly chosen to fit into this unique world.
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