Sirens is a dark comedy television show that premiered on Netflix on May 22, 2025. With its amazing cast and brilliant story, it captivated a huge fandom. Rotten Tomatoes has given the show a rating of 79%, and fans praised it for being an entertaining package, making it one of the most talked-about new series among young fans. So, it’s evident that those who haven’t watched it yet are curious about the cast of the TV show. Well, here is a list of all the Sirens cast and characters.
Meghann Fahy as Devon DeWitt

Hailing from Buffalo, New York, Devon DeWitt, portrayed by Meghann Fahy, is a fast food worker who also has the responsibility to take care of her father, who is suffering from dementia. She is protective and loyal, but she often ends up making poor decisions due to her traumatic early life following her mother’s suicide. Devon is a protective sister who travels to a fancy Island to get back her sister, Simone, as she believes her little sister is stuck with someone who runs a cult-like business.
Meghann Fahy is an American actress who rose to popularity after appearing in The Bold Type, The Perfect Couple, and The White Lotus Season 2.
Milly Alcock as Simone DeWitt

Simone Dewitt is the younger sister of Devon, who was raised in foster care after their mother committed suicide. Devon never missed keeping a check on her and showering her with immense love. However, after securing a prestigious new job under the millionaire philanthropist Michaela Kell, she stops communicating with her family and close contacts. To be precise, she gets unhealthily obsessed with her boss.
Milly Alcock’s popularity stems from her portrayal of young Rhaenyra Targaryen in House of the Dragon. Apart from that, she has appeared in some other significant projects like Reckoning, The Gloaming, and more. The young actress has also bagged the role of Kara Zor-El / Supergirl in the 2026 film Supergirl: Woman of Tomorrow.
Glenn Howerton as Ethan Corbin

Ethan Corbin is the wealthy neighbor of the Kells who eventually falls in love with Simone and wants to marry her. Despite being a playboy and someone who is rapidly spending his inheritance, Corbin is perceived as a naive and inexperienced man with a limited understanding of the world’s true nature.
Glenn Howerton is an American actor who gained recognition mainly for portraying Dennis Reynolds in the critically acclaimed Sitcom It’s Always Sunny in Philadelphia. Apart from that, some of his prominent projects include The Mindy Project, A.P. Bio, and more.
Bill Camp as Bruce DeWitt

Bruce DeWitt is Simone and Devon’s father, who is the one responsible for the girls’ traumatic childhood. After his wife committed suicide, instead of taking responsibility for his daughters, Bruce became addicted to alcohol. Due to his negligence, Simone was sent to foster care. Days passed, and Bruce developed early-onset dementia and became entirely dependent on his elder daughter, Devon. Bill Camp was previously seen in Lincoln, Lawless, News of the World, Sound of Freedom, and more.
Kevin Bacon as Peter Kell

Peter Kell is the charismatic husband of Michaela, who is one of the most manipulative characters any recent movie or television series has featured. Well, despite not being an antagonistic character, Kevin made us feel that he is the ultimate villain of the series. When Michael takes advantage of Simone’s vulnerability, Kevin uses his manipulative skills to help his wife. Kevin is an award-winning American actor who has previously appeared in Apollo 13, Friday the 13th, Crazy, Stupid, Love, and some of the renowned projects.
Julianne Moore as Michaela Kell

Michaela Kell is the epitome of wealth, who doesn’t hesitate to manipulate her employees for her selfish desires. For instance, after discovering Simone’s obsession with her, Michaela begins to use her by showing Simone her good side. She also makes the girl cut ties with her father and Devon. Her relationship with Kevin makes them emerge as the power couple in Port Haven. The enigmatic character is played by Julianne Moore, who we know from The Hunger Games: Mockingjay Part 1 and 2, The Lost World: Jurassic Park, and more critically acclaimed titles.