Sundance: After Mary Bronstein's exhilarating, big-screen anxiety attack premiered, co-star Conan O'Brien said he's surprised the amazing Byrne wasn't hospitalized after filming.

Rose Byrne plays a struggling mother, Conan O'Brien is her hostile therapist in A24's nightmarish "If I Had Legs I'd Kick You."

Conan O’Brien, Danielle Macdonald and A$AP Rocky also star in Mary Bronstein’s feverish dark comedy thriller about parenting in extremis and existential black holes.

Most folks seek escapism when going to the movies, while others get off on seeing other people's anxiety, drawing either catharsis or comedy from the idea that someone else has it worse. Sporting a poisoned-fortune-cookie title like "If I Had Legs I'd Kick You,

Sundance: Rose Byrne and Conan O'Brien star in Mary Bronstein's surreal freak-out of a movie about the anxieties of contemporary motherhood.

Rose Byrne is incredible in Mary Bornstein's 'If I Had Legs I'd Kick You,' A24's anxiety-fueled thriller on a mother with no more f's to give

Rose Byrne attends the premiere of "If I Had Legs I'd Kick You" during the Sundance Film Festival on Friday, Jan. 24, 2025, at Library Theatre in Park City, Utah.