Mouse

About Mouse

Callie and Minnie’s relationship is suddenly upended at the start of the summer before their senior year of high school. Left rudderless without her charismatic best friend, Minnie starts to form a complicated friendship with Callie’s mother.

Alex Thompson and Kelly O'Sullivan directed Mouse, a 2026 comedy film. Released in November 2026, it runs 120 minutes.

Sophie Okonedo appears as Helen Bell, Katherine Mallen Kupferer as Minnie Dunn, Chloe Coleman as Callie Bell, and David Hyde Pierce as Mr. Murdaugh. Written by Kelly O'Sullivan. It comes from Little Engine, Metropolitan Entertainment, and Rosalind Productions.

Shelv files it under 2000s, best friends, identity, and upper class.

Suncoast, Lady Bird, and I Saw the TV Glow make useful companions to Mouse, all filed under coming of age and female friendship.