'Ang Babae Sa Septic Tank 4: Oh Sh*t! It’s Live Sa Cheter!' cast revealed

Recognized as the "comedy star for all seasons," Domingo has built a career across film, television, and theater. Her roles in mainstream cinema propelled her to stardom, including as the lead in 2009's Kimmy Dora: Kambal sa Kiyeme, where she played dual characters. 

Domingo won Best Actress at the 26th Tokyo International Film Festival for her performance in Jun Robles Lana's Barber's Tales (Mga Kuwentong Barbero). 

In 2025, Domingo played Jack's Mother in the Philippine staging of the musical Into the Woods. In March, she will be seen on the big screen in the epic drama Sisa. 

Meann Espinosa

A senior artist-teacher at PETA whose work is influenced by a feminist perspective, Espinosa dabbles in performance, direction, production, and intimacy coordination. 

She has performed both on Philippine and international stages. Most recently, she was in Germany for Nobody is Home, a collaboration between PETA and Mecklenburgisches Staatstheater. 

As a director, Espinosa's recent projects include Identité, which premiered at the Virgin Labfest in 2024 and restaged in 2025; Legally Blonde: The Musical for Blue Repertory, which she staged in 2025; and is set to direct Typhoon, a collaboration among PETA, Southern Australian Playwrights Theatre, and the University of the Philippines Diliman College of Arts and Letters. 

Stella Cañete-Mendoza

Her career spans over three decades, collecting accolades for Cañete-Mendoza along the way: Best Lead Actress at the 37th Aliw Awards for her role as Sister Teresing in Grace, Best Actress in a Musical at the 13th Philstage Gawad Buhay for playing Amanda Bartolome in Dekada '70 The Musical, and the 2019 Leaf Award for Outstanding Featured Role as Poncia in Bernarda Alba. 

Cañete-Mendoza is the founder of the award-winning Encore Theater, an independent performing arts group. She works to "amplify the Filipino soul through original works that command the spotlight of Philippine theater."

Andoy Ranay

Not just an actor, Ranay is also a mentor and director who works across television, film, and live performance. Among his directorial projects on television are the dramas Dirty Linen and Trophy Wife. On film, he directed the adaptations of Talk Back and You're Dead and Diary ng Panget. 

Within the performing arts industry, Ranay is known for his collaborative, performance-driven approach to directing. 

Ranay's latest stage project is the theatrical adaptation of About Us But Not About Us, currently running until March 8. 

JC Santos

Filipino audiences know Santos for his nuanced performances in multiple dramatic films, including 100 Tula Para Kay Stella, its sequel 100 Awit Para Kay Stella, Mallari, and Quezon. Having graduated with a degree in theater arts from the University of the Philippines Diliman, however, Santos' foundation lies in classical and contemporary theater. 

Despite earning a strong following for his performances on television and film, Santos regularly returns to the stage to reaffirm his love for live performances. Most recently, he appeared in The Necessary Theater's Red and Theatre Tita's The Foxtrot. 

Melvin Lee

Playing the highly stressed, ever-resourceful producer in Ang Babae Sa Septic Tank 4, Lee, the newly elected president of PETA, brings along his vast experience in stage productions as an actor, director, and producer. 

He has appeared in numerous PETA productions as an actor, including Romulus D'Grayt, Kung Paano Ko Pinatay Si Diana Ross, and Care Divas, where he played Chelsea, for which he won the Outstanding Male Performer in a Musical in the 2011 PHILSTAGE Gawad Buhay Awards. 

Another project, Marsha Norman's 'Night, Mother, won the 2017 Gawad Buhay Best Play Award. 

Marlon Rivera

Having directed the first three projects in the franchise, Rivera stars as the director in the fourth installment. 

An award-winning film director, actor, screenwriter, and producer, Rivera has built a steady career on a blend of satire, social commentary, and mainstream entertainment. 

For directing the family comedy My Big Bossing, he won the Best Director award at the Metro Manila Film Festival in 2013. He also did Ang Happy Homes ni Diane Hilario, and appeared as a director in the Vilma Santos film Ekstra. 

Joshua Lim So

Portraying Ang Babae Sa Septic Tank 4's playwright caught in a cycle of revisions and rewrites, So's real-life work as a writer isn't as frantic. 

A Carlos Palanca Hall of Fame awardee, So was twice recognized by the BBC International Radio Playwriting Competition. He was also a Bienvenido N. Santos Creative Writing Center Fellow for Drama. 

So has written book and lyrics for musicals and directed several performances, as well, including Joe Cool: Aplikante, Cubao Pagkagat ng Dilim, and Acts of Piracy. His fiction appeared in Science Fiction Research Association Review, The Year's Best Fantasy & Horror 20th Annual Collection, and The Routledge Concise History of Southeast Asian Writing in English. 

Ang Babae Sa Septic Tank 4 is written by Chris Martinez, who also wrote the first three installments. It will be directed by Maribel Legarda, who helmed Rak of Aegis and One More Chance The Musical, with assistance from Johnnie Moran. 

Gino Gonzales will be doing the set and costume design, with Teresa Barrozo on music and sound design. 

Metrobank credit card holders have exclusive first access to tickets from Feb. 27, 10 a.m., until March 3, 11:59 p.m. via TicketWorld. From March 4, 10 a.m. to March 5, 11:59 p.m., a waitlist sale will run for patrons who signed up last December 2025. The general public can begin purchasing tickets starting March 6, 10 a.m. at TicketWorld.