Full Cast of Only Murders in the Building Season 4, Episode 10: Guest Stars In Season Finale (Photos)

Only Murders in the Building's Season 4 finale finally unpacked the killer's identity and motivation behind his actions.

By Aeron Mer Eclarinal Posted:
Only Murders in the Building Season 4 Episode 10 cast members

Only Murders in the Building Season 4, Episode 10 features an exciting guest appearance from Bad Boys and The Naked Truth star Tea Leoni.

"My Best Friend's Wedding" has a lot of storylines to juggle aside from Oliver and Loretta's much-anticipated wedding. First, the main trio needs to unpack Marshall's motivations behind killing Saz while an unexpected guest arrives to save the day. 

Only Murders in the Building Season 4, Episode 10 premiered on Hulu on October 29. 

Every Main Cast Member of Only Murders in the Building Season 4 Episode 10

Steve Martin - Charles-Haden Savage

Steve Martin as Charles in Only Murders in the Building Season 4, Episode 10
Steve Martin

Steve Martin is back as Charles-Haden Savage in Only Murders in the Building Season 4, Episode 10.

After realizing that Marshall was Sazz's protege and the killer, Charles and Oliver race against time to save Mabel from him after realizing that she was trapped with him insider her apartment at the West Tower. 

Charles manage to save Mabel by using Eva Longoria's 19 in 1 tool gun against Marshall. 

At the end of the finale, Charles manage to properly bid farewell to Sazz in an emotional tribute by making the Only Murders in the Building movie using Sazz's original script.

Martin is known for his roles in Cheaper by the Dozen, Father of the Bride, and Pink Panther. 

Martin Short - Oliver Putnam

Martin Short as Oliver Putnam in Only Murders in the Building Season 4, Episode 10
Martin Short

It is the wedding day of Martin Short's Oliver Putnam in Only Murders in the Building Season 4, Episode 10, "My Best Friend's Wedding."

Aside from successfully saving Mabel from a deranged killer (Marshall), Oliver has to contemplate on whether or not he will move to New Zealand with Loretta after her TV show was relocated to the country. 

Despite the drama, the killings, and the fact that he is scared that Loretta might be the next target, Oliver capped off the episode with a heartwarming and beautiful wedding with his new wife by the Arconia. 

Short has various credits, which include roles in Father of the Bride, Three Amigos, How I Met Your Mother, The Morning Show, and Frankenweenie

Selena Gomez - Mabel Mora

Selena Gomez as Mabel Mora in Only Murders in the Building Season 4, Episode 10
Selena Gomez

Selena Gomez returns as Mabel Mora, the producer of the Only Murders in the Building podcast and a close friend of Charles and Oliver. 

Mabel is trapped with Marshall at her own apartment, ultimately realizing that her life is in danger. She tries to reason with him, telling him that she will not help with his script if he decides to kill her right away. 

Thankfully, Charles and Oliver manage to save her, thanks to an assist from an unlikely ally and a couple of West Arconia residents.

Gomez is an accomplished singer known for being part of the cast of Wizards of Waverly Place and its reboot, Spring Breakers, and The Dead Don't Die.

Michael Cyril Creighton - Howard

Michael Cyril Creighton as Howard in Only Murders in the Building Season 4, Episode 10
Michael Cyril Creighton

Michael Cyril Creighton is part of Only Murders in the Building Season 4, Episode 10's cast as Howard, the main trio's loyal friend and a proud animal lover who attends Oliver and Loretta's wedding.

Creighton can be seen in Jack in the Box, The Post, Game Night, and Spotlight.

Jin Ha - Marshall

Jin Ha as Marshall in Only Murders in the Building Season 4, Episode 10
Jin Ha

At the center of Sazz Pataki's murder is Jin Ha as Marshall, the lowly screenwriter of the Only Murders in the Building movie who later turns out to be a fake after stealing Sazz's original script. He was also Sazz's former protege and stuntman. 

Marshall tells the main trio that he stole Sazz's script because he realized it was incredible, better than anything he had ever written. He ends up sending it to studios, ultimately landing at the hands of Paramount Pictures executive Bev Melon.

After Sazz realizes what he did, she confronts him, saying that she felt betrayed because she needed Charles' permission first before trying to sell the script. 

Marshall then used details from the script to execute his master plan to kill Sazz, such as utilizing Dudenoff's apartment (Dudenoff is played by actor Griffin Dune) to land the final blow to his former mentor and using his skills as a stuntman to scale the ledge of the West Arconia all the way to Charles' apartment to dispose her body. 

He was later killed by an unexpected ally of the main trio.

Ha previously starred in Civil War, Pachinko, and Flying Lessons.

Meryl Streep - Loretta Durkin

Meryl Streep as Loretta Durkin in Only Murders in the Building Season 4, Episode 10
Meryl Streep

Meryl Streep guest stars as Loretta Durkin, Oliver's new wife who breaks the news to him that she is moving to New Zealand because production for her TV show has moved to the said country. 

Despite the conflict of moving to another country, Oliver and Loretta still have a beautiful wedding in the finale, with Oliver promising to her that he will also move once the murder is solved. 

It is a happy ending after all, especially after the Jack Jonk fiasco that transpired in Only Murders in the Building Season 3, Episode 4.

The Academy Award winner is best known for her roles in Kramer vs. Kramer, Sophie's Choice, Mamma Mia!, and The Devil Wears Prada

Zach Galifianakis - Himself/Oliver

Zach Galifianakis as himself in Only Murders in the Building Season 4, Episode 10
Zach Galifianakis

Zach Galifianakis is back to portray himself, an actor who plays Oliver in the new Only Murders in the Building movie. In the finale, Zach mocks Marshall by calling him a "sh*tty writer."

Galifianakis starred in The Hangover trilogy, Due Date, and It's Kind of a Funny Story

Eugene Levy - Himself/Charles

Eugene Levy as himself in Only Murders in the Building Season 4, Episode 10
Eugene Levy

Eugene Levy returns as himself, an actor portraying Charles in the Only Murders in the Building movie.

Eugene gives props to him and his fellow actors for helping the main trio unpack details about Sazz's murder. 

Levy can be seen in the American Pie film series, Schitt's Creek, and Splash.

Eva Longoria - Herself/Mabel

Eva Longoria as herself in Only Murders in the Building Season 4, Episode 7
Eva Longoria 

Eva Longoria returns as herself to play Mabel in the new Only Murders in the Building movie.

Eva's 19 in 1 tool becomes instrumental in helping Charles take down Marshall to save Mabel in the early moments of the episode.

The actress also appeared in Harsh Times, The Sentinel, and Dora and the Lost City of Gold.

Jane Lynch - Sazz Pataki

Jane Lynch as Sazz Pataki in Only Murders in the Building Season 4, Episode 10
Jane Lynch

Jane Lynch makes her final bow as Sazz Pataki in Only Murders in the Building Season 4, Episode 10. 

Much of her backstory behind her passion for writing is chronicled in the finale, showing that she was inspired to tell new stories in her own way. 

Sazz wrote the original script of the Only Murders in the Building movie before Marshall stole it. After she confronted Marshall about the lies, stealing, and deception, Sazz tried to tell Charles the truth behind the script, but it was too late. 

Lynch's notable credits include Glee, Role Models, The 40-Year-Old Virgin, and The Marvelous Mrs. Maisel

Teddy Coluca - Lester

Teddy Coluca as Lester in Only Murders in the Building Season 4, Episode 10
Teddy Coluca

Teddy Coluca appears as Lester, the Arconia's doorman who was murdered at the end of the episode, setting up the events of Season 5. 

Learn more about the potential release timeframe of Only Murders in the Building Season 5.

Coluca's notable credits include Blacklist, Abe, Hot Air, and The Girl in the Park

Molly Shannon - Bev Melon

Molly Shannon as Bev Melon in Only Murders in the Building Season 4, Episode 10
Molly Shannon

Molly Shannon returns as Bev Melon, the Paramount Pictures executive who gave the greenlight to the Only Murders in the Building movie.

Shannon previously appeared in The White Lotus, Superstar, and Because She's Ugly

Kumail Nanjiani - Rudy Thurber

Kumail Nanjiani as Rudy Thurber in Only Murders in the Building Season 4, Episode 10
Kumail Nanjiani

Kumail Nanjiani returs as Rudy Thurber (aka Christmas All The Time Guy). 

Rudy, alongside Vince, helps Charles and Oliver distract Marshall to save Mabel in the finale.

Nanjiani is best known for his roles in Marvel Studios' Eternals, Big Sick, and Ghostbusters: Frozen Empire.

Richard Kind - Vince Fish

Richard Kind as Vince Fish in Only Murders in the Building Season 4, Episode 10
Richard Kind 

Richard Kind plays Vince Fish (Stink-Eye Joe) of West Arconia. 

Vince also plays a role in helping Charles and Oliver save Mabel from Marshall by distracting him in the front door.

Kind has over 290 credits to his name, with roles in Inside Out, Argo, and Gotham.

Jackie Hoffman - Uma Heller

Jackie Hoffman as Uma Heller in Only Murders in the Building Season 3, Episode 10
Jackie Hoffman

Jackie Hoffman reprises her role as Uma Heller in the Season 4 finale. Uma is a resident of the Arconia who attends Oliver and Loretta's wedding. 

Hoffman has over 80 credits, with roles in Night Court, Glass Onion: A Knives Out Mystery, and Garden State.

Amy Ryan - Jan Bellows

Amy Ryan as Jan Bellows in Only Murders in the Building Season 4, Episode 10
Amy Ryan

Amy Ryan returns as Jan Bellows, the Season 1 killer of Only Murders in the Building and Charles' former love interest.

Jan is the main trio's unexpected savior after she killed Marshall with a sniper (that's poetic) from Charles' apartment. 

She later surrenders to the police, telling Charles that she had to kill Marshall to seek revenge for Sazz. She also reveals that she has been staying in Charles' apartment for a while now.

Read more about why Jan killed Tim Kono in Only Murders in the Building Season 1.

Ryan's notable credits include Gone Baby Gone, Birdman, and Win Win.

Jeremy Shamos - Dickie Glenroy

Jeremy Shamos as Dickie Glenroy in Only Murders in the Building Season 4, Episode 10
Jeremy Shamos

Jeremy Shamos returns as Dickie Glenroy in the Season 4 finale. The character is Loretta's son who walked his mother down the aisle during the wedding.

Shamos makes a comeback after playing an integral part as a cast member of Only Murders in the Building Season 3.

Shamos previously appeared in Birdman, Magic in the Moonlight, and Big Sick.

Ryan Broussard - Will Putnam

Ryan Broussard as Will Putnam in Only Murders in the Building Season 4, Episode 10
Ryan Broussard

Will Putnam (played by Ryan Broussard) appears in a cameo after he walked Loretta down the aisle. Will is Oliver's son. 

 Broussard is known for his roles in A Christmas Journey, Alert: Missing Persons Unit, and Geostorm.

Tea Leoni - Sofia Caccimelio

Tea Leoni as Sofia Caccimelio in Only Murders in the Building Season 4, Episode 10
Tea Leoni 

Tea Leoni joins the cast of Only Murders in the Building as Sofia Caccimelio, a mysterious woman who is trying to hire Charles and Mabel to find her missing husband. 

Sofia tells the pair that what happened to her husband is tied to whatever is going on with the Arconia. This seems to be a mystery setting up the key events of Season 5.

Leoni's most recognizable roles include playing Amanda Kirby in Jurassic Park III, Elizabeth McCord in Madam Secretary, and Kate Reynolds in The Family Man.


All episodes of Only Murders in the Building Season 4, Episode 10 are now streaming on Hulu.

- In This Article: Only Murders in the Building (S4)
Release Date
August 27, 2024
Platform
Actors
Martin Short
Selena Gomez
Steve Martin
- About The Author: Aeron Mer Eclarinal
Aeron is a news/features writer and Content Lead for The Direct who has been working for the site since March 2020. From writing about the inter-connectivity of the Marvel Cinematic Universe to having an extended knowledge about DC TV's Arrowverse, Aeron's expertise has since expanded into the realm of reality TV, K-drama, animated, and live-action shows from Netflix,  Disney+, Prime Video, MGM+, Peacock, Paramount+, and Max. When he isn't writing and watching all things MCU, Aeron is heavily invested with the NBA (go Celtics!) and occasionally watches thrilling matches in the WWE.