The Echo Valley cast features Julianne Moore, Sydney Sweeney and Domhnall Gleeson. This info article contains minor spoilers and character details for Michael Pearce’s 2025 Apple TV+ movie. Check out more cast guides in Vague Visages’ Know the Cast category.

Echo Valley explores the relationship between a farm owner and her troubled daughter. When Kate Garretson gets pulled into a drug deal gone wrong, she gets terrorized by a local criminal. The narrative follows the main protagonist as she defends her family and property. Here’s every actor and character in Echo Valley.

Read More at VV — Know the Cast: ‘Fountain of Youth’

Echo Valley Cast: Julianne Moore as Kate Garretson

Character Profile: A farm owner. She is a divorced woman whose second partner, a woman, passed away nine months prior to the main timeline. Kate pays a heavy price for helping her drug addict daughter.

Moore’s Resume: Amber Waves in Boogie Nights (1997), Linda Partridge in Magnolia (1999), Cathy Whitaker in Far from Heaven (2002), Jules in The Kids Are All Right (2010), Lisey Landon in Lisey’s Story (2021)

Read More at VV — Know the Cast: ‘Blitz’

Echo Valley Cast: Sydney Sweeney as Claire Garretson

Character Profile: Kate’s daughter. She is a drug addict and talented writer. Claire consistently lies to her mother in order to live a carefree life with her boyfriend.

Sweeney’s Resume: Cassie Howard in Euphoria (2019-), Snake in Once Upon a Time in Hollywood (2019), Olivia Mossbacher in The White Lotus (2021), Bea in Anyone But You (2023), Sister Cecilia in Immaculate (2024)

Read More at VV — Know the Cast: ‘The Gorge’

Echo Valley Cast: Domhnall Gleeson as Jackie Lawson

Character Profile: A drug dealer. He terrorizes Claire after she throws away a half kilo of drugs. Jackie tries to blackmail Kate.

Gleeson’s Resume: Levin in Anna Karenina (2012), Caleb in Ex Machina (2014), Jon Burroughs in Frank (2014), General Hux in the Star Wars Movie Franchise (2015-), Owen Carver in Fountain of Youth (2025)

Read More at VV — Know the Cast: ‘Wolfs’

Echo Valley Cast: Fiona Shaw as Leslie Oliver

Character Profile: Kate’s friend. She is a queer woman who offers life advice. Leslie helps Kate recover a corpse from a lake.

Shaw’s Resume: Father in The Avengers (1998), Aunt Petunia Dursley in Harry Potter and the Sorcerer’s Stone (2001), Marnie Stonebrook in True Blood (2011), Carolyn in Killing Eve (2018-22), Maarva Andor in Andor (2022)

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Echo Valley Cast: Edmund Donovan as Ryan Sinclair

Character Profile: Claire’s boyfriend. He panics after losing Jackie’s drugs. Ryan colludes against Kate with Claire.

Donovan’s Resume: Blake in High Fidelity (2020), Scott Kovacs in Gossip Girl (2021-23), Max in Tell Me Lies (2022-24), Eddie in Civil War (2024), Jacob Sullivan in Your Monster (2024)

Read More at VV — Know the Cast: ‘Fancy Dance’

The Echo Valley cast also includes:

• Albert Jones as Richard Garretson
• Katya Campbell as Audrey
• Melanie Nicholls-King as Joan
• Rebecca Creskoff as Emma Hanway
• Audrey Grace Marshall as Mallory Hanway
• Jared Canfield as Park Ranger
• John Finn as Randy
• Ephie Aardema as Young Mother at Beach
• Kristina Valada-Viars as Patty
• Taylor Nicole Kaplan as Teenage Girl — Boat Rental

Q.V. Hough (@QVHough) is Vague Visages’ founding editor.