Sirens Netflix Cast and Character Guide – Who’s Who in the No. 1 Hit Show

Netflix’s Sirens has quickly become the breakout limited series of 2025, dominating global charts and captivating audiences with its twisty dark comedy and powerhouse ensemble.

Main Cast of Sirens on Netflix

ActorCharacterDescriptionJulianne MooreMichaela KellA billionaire philanthropist and the enigmatic boss at the center of the island’s social scene. Moore brings gravitas and complexity to the role, making Michaela both alluring and mysterious.Meghann FahyDevon DeWittA sharp, skeptical woman who arrives on the island to check on her younger sister. Fahy’s performance as Devon anchors the series with wit and emotional depth.Milly AlcockSimone DeWittDevon’s younger sister, now working as Michaela’s assistant. Alcock’s Simone is caught between loyalty to her family and the seductive pull of the island’s elite world.Kevin BaconPeter KellMichaela’s wealthy husband, whose presence on the island adds tension and intrigue. Bacon’s role marks another high-profile Netflix appearance

Kevin Bacon and Julianne Moore in Sirens | Source: IMDb

Supporting Cast & Notable Characters

Glenn Howerton – Plays a key figure in the island’s social circle, adding comedic and dramatic flair.

Felix Solis – Portrays a local with deep ties to the Kells’ estate, complicating the sisters’ investigation.

Bill Camp – As Devon and Simone’s father, his illness is the catalyst for Devon’s journey to the island.

Josh Segarra – Features as a friend and confidant, bringing warmth and humor to the ensemble.

Trending Storylines & Why the Cast Is Making Headlines

Sirens is inspired by Molly Smith Metzler’s acclaimed play Elemeno Pea and reimagines the myth of the siren through a modern, female-driven lens.

The show’s central trio—Moore, Fahy, and Alcock—are being praised for their chemistry and nuanced performances, which explore themes of sisterhood, power, and social class.

With just five episodes, the series is perfect for binge-watching and has sparked massive social media conversation, especially around its shocking finale and the future of its breakout stars.

The casting of Oscar-winner Julianne Moore, Emmy nominee Meghann Fahy, and House of the Dragon’s Milly Alcock has garnered critical acclaim and helped drive the show to the No. 1 spot in 44 countries, with over 16.7 million views in its first week.

Julianne Moore and Milly Alcock in Sirens (2025) | Source: IMDb

Why the Sirens Netflix Cast Is Trending in 2025

The show’s all-star cast is a major reason for its viral success, with fans and critics alike praising the performances and character dynamics.

Meghann Fahy and Milly Alcock are especially trending, with both actresses riding a wave of recent hits and becoming breakout stars for a new generation of viewers.

The combination of dark comedy, social satire, and psychological drama has made Sirens one of Netflix’s most talked-about new releases, with the cast’s performances at the heart of its appeal.

Final Thoughts

If you’re looking for the definitive guide to the Sirens Netflix cast, this ensemble of A-list talent and rising stars is a huge part of what makes the show a must-watch in 2025. With Julianne Moore, Meghann Fahy, Milly Alcock, and Kevin Bacon leading the way, Sirens is set to remain one of the most buzzed-about series on Netflix this year.

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About Sirens
Sirens is an upcoming dark comedy limited series created by Molly Smith Metzler, based on her 2011 play Elemeno Pea. The story unfolds throughout one explosive weekend at a lavish beach estate. Devon (Meghann Fahy) is concerned about her sister Simone’s (Milly Alcock) creepy relationship with her new boss and decides it’s time for an intervention.

The series is described as an “incisive, sexy, and darkly funny exploration of women, power and class.” It is schedule to be released on May 22, 2025.