Fatal Attraction (TV) Cast
The cast of Fatal Attraction. Updated on June 20, 2025.
8 actors
Lizzy Caplan
as Alex Forrest (8 episodes)

Lizzy Caplan portrays Alex Forrest, a woman who becomes dangerously infatuated with her married lover.

Joshua Jackson
as Dan Gallagher (8 episodes)

Joshua Jackson takes on the role of Dan Gallagher, a man engaging in an affair that turns perilous.

Amanda Peet
as Beth Gallagher (8 episodes)

Amanda Peet plays Beth Gallagher, the wife of Dan Gallagher who becomes ensnared in the aftermath of his affair.

Alyssa Jirrels
as Ellen Gallagher (8 episodes)

Alyssa Jirrels appears as Ellen Gallagher, the daughter of Dan and Beth Gallagher.

Toby Huss
as Mike Gerard (8 episodes)

Toby Huss plays Mike Gerard, adding complexity to the unfolding drama.

Reno Wilson
as Det. Earl Brooker (8 episodes)

Reno Wilson is cast as Det. Earl Brooker, contributing to the show's tension.

Brian Goodman
as Arthur Tomlinson (8 episodes)

Brian Goodman features as Arthur Tomlinson, a character entwined in the series’ intrigue.

Will Ropp
as Elijah (1 episode)

Will Ropp portrays Elijah, a yet-to-be-revealed character in the series.

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