What makes a TV show truly unforgettable? Is it the gripping storyline, the clever twists, or the characters that feel like old friends? For Hulu’s hit series Only Murders in the Building, the answer lies in its stellar cast. From comedy legends to rising stars, the cast of Only Murders in the Building has captivated audiences with their charm, wit, and chemistry.
This mystery-comedy series follows three unlikely neighbors who team up to solve murders in their New York apartment building while creating a true-crime podcast. With five seasons of twists, laughs, and heartfelt moments, the show has become a fan favorite. In this blog, we’ll dive into the cast of Only Murders in the Building, exploring the main characters, recurring roles, and the guest stars who’ve added flair to this beloved series.
The Core Trio – Main Cast of Only Murders in the Building
At the heart of the show is its dynamic trio: Steve Martin, Martin Short, and Selena Gomez. Their chemistry and contrasting personalities drive the series, making them the backbone of the cast of Only Murders in the Building.
Charles-Haden Savage (Steve Martin)
Steve Martin plays Charles-Haden Savage, a retired TV actor best known for his role as a detective in a fictional 1990s crime show. Charles is meticulous, introverted, and obsessed with true crime, making him a natural fit for the podcast team.
Martin’s comedic-dramatic range shines in this role, blending humor with moments of vulnerability. His character’s journey includes grappling with loneliness, rediscovering his passion for acting, and forming meaningful friendships with his co-hosts.
Steve Martin’s long career in comedy and film, from The Jerk to Father of the Bride, makes him a perfect fit for this role. His performance has earned critical acclaim, adding depth and humor to the series.
Oliver Putnam (Martin Short)
Martin Short portrays Oliver Putnam, a flamboyant and struggling Broadway director who brings creativity and chaos to the podcast team. Oliver’s larger-than-life personality and knack for storytelling make him an essential part of the trio.
Throughout the series, Oliver faces financial struggles, strained family relationships, and a quest to revive his career. His comedic timing and heartfelt moments make him a fan favorite.
Short’s real-life friendship with Steve Martin adds authenticity to their on-screen chemistry. Known for his work in SCTV and Three Amigos, Short’s performance as Oliver is both hilarious and touching.
Mabel Mora (Selena Gomez)

Selena Gomez stars as Mabel Mora, a young artist with a mysterious past. Mabel’s sharp wit and investigative skills make her a vital member of the podcast team. Her character’s backstory, including her connection to a past murder in the building, adds intrigue to the series.
Gomez’s transition from pop star to actress is seamless, and her performance brings emotional depth to the show. Mabel’s journey of self-discovery and independence resonates with viewers, making her a standout in the cast of Only Murders in the Building.
How the Three Bring the Cast Together
The trio’s dynamic is the heart of the show. Their generational differences, contrasting personalities, and shared love for true crime create a unique and compelling chemistry. Fans have praised their performances, with many noting how their interactions elevate the series. Together, they form the foundation of the cast of Only Murders in the Building, setting the tone for the show’s humor and mystery.
Key Recurring Cast Members
Beyond the core trio, the cast of Only Murders in the Building features a talented ensemble of recurring characters who add depth and complexity to the story.
Ben Glenroy (Paul Rudd)

Paul Rudd joins the cast as Ben Glenroy, a TV star whose murder becomes the central mystery of Season 2. Rudd’s charm and comedic timing make his character memorable, even as a victim. His storyline introduces new suspects and reshapes the dynamics of the show.
Jan Bellows (Amy Ryan)

Amy Ryan plays Jan Bellows, a bassoonist and Charles’s love interest. Jan’s musical background and mysterious demeanor add layers to her character. Her relationship with Charles brings emotional depth to the series, while her darker side keeps viewers guessing.
Detective Donna Williams (Da’Vine Joy Randolph)
Da’Vine Joy Randolph portrays Detective Donna Williams, an NYPD detective who initially dismisses the podcast but later becomes an ally. Her journey from skepticism to collaboration adds a compelling layer to the show’s narrative.
Other Notable Recurring Roles
- Oscar Torres (Aaron Dominguez): Mabel’s childhood friend and fellow investigator.
- The Arconia Board Members: A quirky group of residents who add humor and tension to the series.
These recurring characters enrich the cast of Only Murders in the Building, creating a vibrant and engaging world.
Seasonal Guest Stars and Cameos
One of the show’s highlights is its impressive lineup of guest stars, who bring fresh energy to each season.
Famous Guest Stars by Season
- Season 1: Introduced quirky Arconia residents and set the stage for future mysteries.
- Season 2: Featured Broadway-inspired storylines and new faces.
- Season 3–5:
- Eva Longoria: A high-profile guest role in later seasons.
- Eugene Levy: A comedic veteran who adds prestige to the cast.
- Kumail Nanjiani: A genre-crossing actor with a major mystery arc.
Why These Guest Stars Matter
Guest stars keep the series fresh while maintaining continuity around the core trio. Their appearances often introduce new twists and expand the world of the Arconia, making the cast of Only Murders in the Building even more dynamic.
Behind-the-Scenes Cast Strengths
Chemistry and Comedy
The long-standing friendship between Steve Martin and Martin Short translates into effortless on-screen banter. Selena Gomez balances their humor with grounded, emotional performances, creating a well-rounded ensemble.
Awards and Critical Reception
The cast of Only Murders in the Building has received numerous accolades, including Emmy and Golden Globe nominations. Their performances have been praised for elevating the show’s humor, mystery, and emotional depth.
Supporting Ensemble and Character Diversity
Supporting Residents of the Arconia
The Arconia’s residents, from eccentric neighbors to suspicious board members, create a mini-society of suspects and allies. Characters like Alice Banks (Cara Delevingne) add intrigue and complexity to the story.
Diversity of Roles and Stories
The cast of Only Murders in the Building spans generations, professions, and backgrounds, enriching the show’s storytelling and appeal.
How the Cast Evolved Across Seasons
Season-to-Season Changes
As the series progresses, characters like Charles and Oliver grow more vulnerable and collaborative, while Mabel evolves into a confident leader. New faces and recurring roles keep the show fresh and engaging.
New Faces in Later Seasons
Additions like Quincy Dunn-Baker as Kev bring new energy to the cast of Only Murders in the Building, ensuring the series remains dynamic and unpredictable.
Why the Cast Works So Well on Screen
Writing Meets Performance
The show’s witty scripts and character-driven storytelling are brought to life by the talented cast of Only Murders in the Building. Steve Martin and John Hoffman’s creative vision ensures a perfect balance of humor and mystery.
Tone – Balancing Humor and Mystery
The actors expertly navigate the show’s shifts between comedy and suspense, keeping viewers hooked from start to finish.
Conclusion: Why the Cast of Only Murders in the Building Shines
The cast of Only Murders in the Building is the heart and soul of the series. From the core trio’s chemistry to the memorable guest stars, every performance adds depth and charm to this mystery-comedy gem. Whether you’re a fan of true crime or just love great storytelling, the cast’s talent and charisma make this show a must-watch.
