Josh Hartnett, Emma Thompson and Sally Hawkins join Elle Fanning's Goodnight Moon biopic Moonsong
By Fuzzy Mushroom · Published

Rebecca Miller's Moonsong: A Life In Seven Verses, with Elle Fanning as Goodnight Moon author Margaret Wise Brown and Julianne Moore as poet Michael Strange, has locked a heavyweight ensemble for AFM sales. Josh Hartnett plays socialite Big Bill Gaston, joined by Emma Thompson, Sally Hawkins, Danny Huston, Robert Aramayo and Chloe Pirrie. Martin Scorsese executive produces; cameras are due to roll in May 2027.
A children's-book biopic with that cast: awards bait or bedtime story?
How solid is this story?
Spore Score for the story: 74 (Solid). Status: Confirmed. Trades confirm: Deadline exclusive casting report as The Veterans launch AFM sales.
Sources
- Deadline: Josh Hartnett, Emma Thompson, Sally Hawkins, Danny Huston, Robert Aramayo & Chloe Pirrie Join Elle Fanning & Julianne Moore In Rebecca Miller's 'Moonsong: A Life In Seven Verses' – AFM (2 November 2026)
- ComingSoon: After Below's Massive Success, Josh Hartnett Joins Elle Fanning's Star-Studded Biopic (2 November 2026)
- World of Reel: Rebecca Miller Sets 'Moonsong' With Elle Fanning, Julianne Moore, Josh Hartnett, Emma Thompson and More — Jarin Blaschke to DP, Scorsese Producing (2 November 2026)
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