Sirens (TV) Cast
The cast of Sirens. Updated on June 13, 2025.
6 actors
Julianne Moore
as Michaela Kell (5 episodes)

Julianne Moore plays Michaela Kell, a wealthy and powerful billionaire with a questionable relationship with her new employee, Simone.

Meghann Fahy
as Devon DeWitt (5 episodes)

Meghann Fahy portrays Devon DeWitt, who is worried about her sister Simone's unsettling connection with her boss, Michaela, and tries to step in.

Milly Alcock
as Simone (5 episodes)

Milly Alcock is cast as Simone, who becomes entangled with her wealthy boss, Michaela, creating family concern.

Kevin Bacon
as Peter Kell (5 episodes)

Kevin Bacon takes on the role of Peter Kell, whose character details are closely tied to the weekend's unfolding drama.

Glenn Howerton
as Ethan Corbin II (5 episodes)

Glenn Howerton plays Ethan Corbin II, who is part of the intricate dynamics present at the beach estate.

Bill Camp
as Bruce DeWitt (5 episodes)

Bill Camp features as Bruce DeWitt, involved in the interactions that highlight themes of power and class.

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