'Mouse' Review: Alex Thompson and Kelly O’Sullivan's Touching New Film

Variety

by Peter Debruge

February 14, 2026

AI-Generated Deep Dive Summary

'Mouse,' a touching indie film directed by Alex Thompson and Kelly O’Sullivan, centers on Minnie (played by Katherine Mallen Kupferer), a shy, acne-prone teenager at North Little Rock High School. Her close friendship with Callie, the most popular girl in her class, provides an unexpected dynamic amidst the backdrop of teenage life in 2002, before social media and cell phones dominated interactions. When Callie passes away, Minnie grapples with her loss while navigating the contrasting reactions of their classmates and Callie’s grief-stricken mother, portrayed by Sophie Okonedo in a standout performance. The film explores themes of grief, friendship, and identity, set in O’Sullivan’s hometown of Arkansas. It delves into Minnie’s strained relationship with her brash but well-meaning mom, Barbara (Tara Mallen), and her growing connection to Callie’s mother, Helen (Okonedo). Helen becomes a surrogate parent to Minnie, offering her comfort through song lessons and emotional support. This dynamic highlights the subtle beauty of human connection amidst loss, avoiding clichés in favor of authenticity. 'Mouse' also examines the societal expectations placed on teenagers, particularly through characters like Cara, who tries to channel grief into theater projects. The film’s grounded approach avoids sensationalism, instead focusing on relatable moments of teen life, such as first loves and school performances. By drawing from the directors’ personal experiences, 'Mouse' creates a deeply emotional yet nuanced portrayal of adolescence. The movie stands out for its realistic depiction of how teens process loss and find support in unconventional ways. It’s a thoughtful addition to the coming-of-age genre, offering insights into family bonds, self-discovery, and resilience. For audiences seeking films that explore the complexities of teenage life with sensitivity and depth, 'Mouse' is a compelling must-watch.

Verticals

entertainmentfilm

Originally published on Variety on 2/14/2026