The struggles of autistic adults aren’t often seen on the big screen, but a new indie drama is about to change that. Gretchen Mol and Tony Hale star in Horsegirls, which premiered at the Tribeca Film Festival in 2025 and will debut in theaters next month. Today, Collider is proud to exclusively present the first trailer and poster for Horsegirls.
In the trailer, Lillian Carrier plays Margarita — so named because her parents were drunk on margaritas during her conception, as she explains to befuddled shopkeeper Iqbal Theba — a young woman with autism. She lives with her mother (Mol), who’s dealing with some serious health problems, and is worried that Margarita may soon have to make her way in the world on her own. Margarita soon finds a creative outlet in the world of hobby horsing (a sport with gymnastic components that involves participants “riding” on a hobbyhorse), thanks to a class taught by Coach (Jerod Haynes). Can hobby horsing give Margarita the confidence and life experience she needs? You’ll have to find out when Horsegirls debuts in theaters on July 17, courtesy of Sumerian Pictures.
Who Are the Stars of ‘Horsegirls’?
Carrier is a relative newcomer to Hollywood; she starred as Drea in the Freeform series Everything’s Gonna Be Okay, and guest-starred on As We See It and NCIS: New Orleans. Mol was once famously dubbed the “It Girl of the Nineties” by Vanity Fair magazine; she has starred in the films Rounders, The Notorious Bettie Page, and Manchester by the Sea, and on the series Boardwalk Empire and Life on Mars. She recently recurred on HBO’s reboot of Perry Mason. Haynes has appeared on the series Project Blue Book and Good Girls, and recently starred on the Nicole Kidman crime thriller series Scarpetta. Hale is best known for playing slow-witted Buster Bluth on Arrested Development, and won an Emmy for his work on Veep; he will reprise his role as Forky in this summer’s Toy Story 5. Theba played Principal Figgins on Glee; he will star in Super Troopers 3 this summer.
Horsegirls was written and directed by Lauren Meyering in her feature film debut; her script for Horsegirls made the 2020 Black List of best unproduced scripts. She based the film on her friend Mackenzie Breeden‘s life; Breeden is a producer on the film, and it is dedicated in memory of her mother, Sandra. Also producing the film are Alix Madigan (Winter’s Bone) and Michael Sherman (Native Son).
Horsegirls will premiere in theaters on July 17. Check out our exclusive trailer above and an exclusive poster below; stay tuned to Collider for future updates.














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