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Castle Rock - Season 2 - Robin Weigert, Sarah Gadon, Alison Wright & Greg Grunberg to Guest in Hulu's Stephen King Anthology

(from left to right: Robin Weigert, Sarah Gadon, Alison Wright, Greg Grunberg)

Robin Weigert (Big Little Lies, Deadwood: The Movie, Dietland), Sarah Gadon (True Detective, Alias Grace, 11.22.63), Alison Wright (Snowpiercer, The Americans, Feud: Bette and Joan) & Greg Grunberg (Heroes, Masters of Sex) have joined the cast of Hulu's Castle Rock for the upcoming second season per The Hollywood Reporter.

Weigert, Gadon, Wright and Grunberg will guest star in the Stephen King anthology series created by Dustin Thomason and Sam Shaw.

Season 2 will explore a feud between warring clans that comes to a boil when budding psychopath Annie Wilkes (Caplan), Stephen King's nurse from hell, gets waylaid in Castle Rock.

Robin Weigert will play Crysilda Wilkes, Annie's mother.

Sarah Gadon will play Rita Green, a vengeful woman from Annie's past.

Alison Wright will play Valerie, a kind-hearted local who is exploring the town's evil history.

Greg Grunberg will play Sheriff Boucher, a local official who faces off against a brewing dark force in Castle Rock.

Robin Weigert, Sarah Gadon, Alison Wright and Greg Grunberg join previously announced cast Paul Sparks, Lizzy Caplan, Tim Robbins, Elsie Fisher, Yusra Warsama, Barkhad Abdi and Matthew Alan in Hulu's newest installment of Castle Rock.