Malick as Clara Dalrymple, who is Nolan's former employer, Channing's boss, and, while beautiful, the film's main villain. She admires Trenton's Pride and Ruffshodd and only sees the Kentucky Open competition as a means of business and money and is not concerned for the well-being of her horses, especially not Stripes. Gary Bullock as John Cooper, who is one of the racehorse trainers for the Kentucky Open thoroughbred sweepstakes. He doesn't share his boss, Dalrymple's views on pushing her horses past their limits, but continues to follow her instructions in order to get his paychecks, which are important for his work. Caspar Poyck as The Mailman, who Stripes is beaten by every morning after they race around the block. Voice actors Frankie Muniz as Stripes, a foundling zebra who desires to compete in the Kentucky Open race, which leads to bullying from the local horses with the sole exception of Sandy, whom he has a crush on. His younger self was voiced by Jansen Panettiere, Hayden Panettiere's brother. Dustin Hoffman as Tucker, a Shetland pony who used to help Nolan train racehorses, including Sir Trenton. He presents himself with a grumpy demeanor after years of training ungrateful horses before retiring. But then helps Stripes by teaching him to race, Stripes was the only one who was really grateful to him for his help. Whoopi Goldberg as Franny, an elderly Saanen goat who constantly encourages Stripes to pursue his dream and gives him many words of advice. She seems to be the only animal on the farm aware of how upset Tucker is about his retirement. Mandy Moore as Sandy, a professional jumper Arabian filly. She is the only horse who supports Stripes' dream to become a racehorse. She and Stripes have romantic feelings for each other, which become mutual by the end of the film. After Stripes wins, she ends up living at the farm as part of Nolan and Dalrymple's bet. Steve Harvey and David Spade as Buzz and Scuzz, a pair of horsefly brothers who serve as the film's comic relief and are good friends with Tucker. Buzz is larger and has blue eyes and combed hair, while Scuzz is scrawnier and has red eyes and messed-up hair. The brothers have a different taste in music: Scuzz is a rap fan while Buzz favors classical music. Jeff Foxworthy as Reggie, the Walsh farm's rooster, who means well, but