Zellweger joins fellow newcomer Christoph Waltz, who has also recently been added to the ensemble murder mystery comedy.

Only Murders in the Buildingseason 4 premiered on August 27, 2024.

Shooting on season 5 began in March 2025.

Only Murders In the Building Season 3 Poster

However, Loretta and Oliver are embarking on a long-distance marriage, with Loretta working in New Zealand.

Two-time Oscar winner Christoph Waltz has also joined in an as-yet-unnamed role.

Another two-time Academy Award winner joined the cast when Renee Zellweger was added in March 2025.

A composite image of Mabel crossing her arms in front of Charles, Oliver, and Mabel standing with film wrapped around them in Only Murders in the Building

Custom Image by Dalton Norman

Beanie Feldstein (Booksmart) has boarded the fifth season, though her role is a secret for now.

Like season 4, season 5 ofOnly Murders in the Buildingis already shaping up to be the biggest yet.

Charles (Steve Martin), Mabel (Selena Gomez), and Oliver (Martin Short) looking baffled in Only Murders in the Building season 4

Image via Hulu

Steve Martin Selena Gomez and Martin Short look out from the back seat of a car in Only Murders in the Building season 4 sitting in the backseat of a car and looking out

Charles-Haden Savage (Steve Martin) handing over a note in Only Murders in the Building season 4

Image via Hulu

Oliver Putnam (Martin Short) gesturing to someone in Only Murders in the Building season 4

Mabel Mora (Selena Gomez) looking embarrassed in Only Murders in the Building season 4

Tea Leoni standing by the Arconia elevator in Only Murders in the Building season 4

Meryl Streep as Loretta with an unimpressed reaction in Only Murders in the Building

Howard from Only Murders in the Building, is wearing a bandana and looking annoyed.

Detective Williams looking at her computer screen in Only Murders

Uma from Only Murders in the Building glaring at someone outside wearing a winter coat.

Keegan-Michael Key (Keanu)

Christoph Waltz aiming his gun at someone in Old Guy

Renee Zellweger smiling in Bridget Jones Mad About The Boy

Addy (Logan Lerman) looks pensive through some bars in Brazil in We Were the Lucky Ones season 1 ep 5

Image via Hulu

Martin (Jermaine Fowler)looks on in blue light in A Murder at the End of the World

beanie feldstein on phone in drive away dolls

Glen Stubbins (Paul Rudd) in the hospital, the suspected killer of Sazz in Only Murders in the Building Season 4 Episode 8

Mabel Mora (Selena Gomez) discovers what appear to be traces of blood on a stove in Only Murders in the Building season 4

Headshot Of Michael Cyril Creighton

Headshot Of Aaron Dominguez

Only Murders in the Building