Fan Casting Sienna Miller as Grandson wife in Knives out 3 (2025)

Sienna Miller is known for her roles in American Sniper, Stardust, and G.I. Joe: The Rise of Cobra. She has been suggested by fans for 600 roles on myCast, including Actresses. in The Most Attractive Celebrities. Similar actors include Natalie Dormer, Emily Blunt, and Rosamund Pike. Sienna Miller was suggested to play Grandson wife in Knives out 3 (2025) by gabrieldock26. Other actors sugggested to play this role include Annabelle Wallis. Knives out 3 (2025) has 25 roles, including SpoilEd Playboy, Andrew Blanc, and Granddaughter.