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After three seasons, the star-studded main trio of Only Murders in the Building need no introduction – and neither do the residents of the Arconia who visited the show. However, the fourth part of the series contains quite a few new characters and cameos that you might not have expected.
That’s why we decided to put together a list of all the celebrity guest appearances in Season 4, no matter how long or short they are. We will update it weekly.
To find out when new episodes of the beloved Hulu whodunnit are coming out, check out our Only Murders in the Building season 4 episode schedule.
Here’s our guide to who’s who in the show’s fourth episode. Major spoilers below for the show through Season 4, Episode 2.
Meryl Streep as Loretta Durkin
Loretta first appears in Season 3 as a candidate for a role in Oliver’s play – the Broadway performance is her breakout role. Loretta also becomes Oliver’s love interest. However, the future of their relationship is uncertain – as the actress lands a role in the Grey’s Anatomy spin-off and moves to LA. Loretta is also the real mother of Ben Glenroy’s brother Dickie, who she gave up for adoption shortly after his birth.
Three-time Oscar winner Meryl Streep’s biggest hits include films such as The Kramer vs. Kramer, The French Lieutenant’s Woman, Mamma Mia, The Devil Wears Prada, Out of Africa, Sophie’s Choice and The Hours.
Zach Galifianakis as himself
Zach Galifianakis is one of many actors playing a fictionalized version of himself. The show will see him star as Oliver in the film adaptation of the Only Murders in the Building podcast. Unfortunately, Zach and Oliver don’t have much affection for each other so far.
Galifianakis is best known for his role in the buddy comedy The Hangover and its sequels The Hangover Part II and Part III. He also appeared in the films Birdman and Tulip Fever.
Eugene Levy as himself
Eugene Levy will play Charles in the Hollywood adaptation of the podcast. Just like in the case of Zach and Oliver, the two have not been able to build a good relationship for the time being.
Levy is best known for his role in American Pie films and his performance as Johnny Rose in the Schitt’s Creek series, for which he won an Emmy Award.
Eva Longoria as herself
In the series, Paramount Studios chooses Longoria to star as Mabel in the film adaptation of the podcast. In her own words, the choice of an older actress should bridge the problematic ‘age gap’ between Mabel and Oliver and Charles in the film. The actress gives Mabel advice about negotiations with the producers, allowing Mabel to reach a favorable deal with the studio.
Eva Longoria became popular for her role as Gabrielle Solis in the series Desperate Housewives.
Molly Shannon as Bev Melon
Bev is a determined producer at Paramount Studios trying to make a movie based on the podcast Only Murders in the Building.
Molly Shannon is an actress and comedian who became popular thanks to her appearances on Saturday Night Live. She also starred in Wet Hot American Summer, Promising Young Woman and the TV series The White Lotus.
Scott Bakula as himself
The actor, best known for the TV series Star Trek: Enterprise and Quantum Leap, appears at a Hollywood party organized by Paramount Studios. Mistaking Bakula for Sazz, Charles learns from him that the stuntwoman did not appear on the production set in which Bakula is starring.
Jane Lynch as Sazz Pataki
Charles’ body double was one of the most recognizable characters in the series. Sadly, Sazz met a tragic end in the season 3 finale. At the beginning of season 4, Mabel, Charles and Oliver found her ashes in an old incinerator in the Arconia. However, Sazz appears in season 4 as a vision of Charles.
Jane Lynch is best known for her comedic roles. She has appeared on the series Glee, Two and a Half Men and The Marvelous Mrs. Maisel.
Jin Ha as Marshall Peepope
Marshall is an eccentric young screenwriter who will create the script for the podcast adaptation of Mabel, Charles and Oliver.
You may know Jin Ha from the series Devs and Pachinko and the movie Civil War.
Siena Werber as Tawny Brothers
Tawny is a young director making her Hollywood debut – an adaptation of the Only Murders in the Buildings podcast.
Siena Werber starred in the series The Sympathizer.
Catherine Cohen as Trina Brothers
Trina is Tawny’s twin sister and co-director of the film based on the Mabel, Oliver and Charles podcast.
You may know Catherine Cohen from What We Do in the Shadows.
Amy Ryan as Jan
The friendly bassoonist appears in Only Murders in the Building season 1 and over time becomes Charles’ love interest. Unfortunately, it turns out that Jan is also a serial killer who not only kills Tim Kono, but also wants to kill Charles. Ultimately, she ends up in prison, but she never loses her affection for her ex-boyfriend. In season 2 she befriends Sazz, and in season 4 she escapes from prison and briefly visits Charles in Arconia.
Amy Ryan is best known for her work in The Wire, The Office and In Treatment and for her leading roles in films such as Gone Baby Gone and Win Win.
Richard Kind as Vince Fish
Vince is a resident of West Arconia who is observed by Charles from his window. He suffers from chronic pink eye, which causes him to blink a lot. The trio of detectives suspect that he may have something to do with Sazz’s murder.
Richard Kind is best known for his sitcom roles, including Mad About You. He also recently starred in the TV series The Watcher and the films Bombshell and Beau Is Afraid.
Kumail Nanjiani as Rudy Thurber
Rudy is an eccentric resident of Arconia’s West Wing who never takes down the Christmas decorations. He is also suspected by Mabel, Oliver and Charles of being involved in Sazz’s murder.
Kumail Nanjiani is a stand-up comedian, actor and screenwriter, nominated for an Oscar for his screenplay for Big Sick. He has appeared in the series Silicon Valley and Obi-Wan Kenobi and Welcome to Chippendales.
Daphne Rubin-Vega as Inez
Inez is a resident of Arconia’s West Wing and a fan of Charles. She does not hide her feelings from her husband and daughter, and while cooking she constantly tries to attract the attention of her idol who lives across the garden. She is also one of the suspects.
Daphne Rubin-Vega is a theater and film actress who made her debut with the role of Mimi Marquez in the Broadway musical Rent. She has also appeared in the films Wild Things and Flawless.
Desmin Borges as Alfonso
Alfonso, Inez’s husband, tries not to show jealousy over her fascination with Charles. Like his wife, he is also on the list of suspects in Sazz’s murder.
Desmin Borges is a comedian best known for his appearance on the FX series You’re the Worst.
Lilian Rebelo as Ana
Ana is the teenage daughter of Inez and Alfonso, clearly tired of living with her parents.
Lilian Rebelo appeared in the theatrical hit Our Dear Dead Drug Lord.