The Girl from Plainville (TV) Cast
The cast of The Girl from Plainville. Updated on July 22, 2025.
10 actors
Elle Fanning
as Michelle Carter (8 episodes)

Elle Fanning plays Michelle Carter, a young woman who becomes the focus of a case involving involuntary manslaughter.

Chloë Sevigny
as Lynn Roy (8 episodes)

Chloë Sevigny portrays Lynn Roy, the mother of Conrad Roy, who seeks justice for her son.

Colton Ryan
as Conrad 'Coco' Roy III (8 episodes)

Colton Ryan is Conrad 'Coco' Roy III, a teenager whose tragic death becomes central to the series.

Cara Buono
as Gail Carter (8 episodes)

Cara Buono plays Gail Carter, a relative connected to the central storyline.

Kai Lennox
as David Carter (8 episodes)

Kai Lennox appears as David Carter, part of Michelle's family.

Norbert Leo Butz
as Conrad 'Co' Roy II (8 episodes)

Norbert Leo Butz portrays Conrad 'Co' Roy II, Conrad's father.

Aya Cash
as Katie Rayburn (8 episodes)

Aya Cash plays Katie Rayburn, a figure involved in the legal proceedings.

Kylie Liya Page
as Cassie Wilkins (8 episodes)

Kylie Liya Page is Cassie Wilkins, a friend of Michelle's.

Jeffrey Wahlberg
as Rob Mahoney (8 episodes)

Jeffrey Wahlberg plays Rob Mahoney, associated with the investigation.

Callie McClincy
as Hayden Carter (8 episodes)

Callie McClincy portrays Hayden Carter, part of Michelle's family.

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