Mary-Kate Olsen (Born June 13, 1986) is an American actress, fashion designer, producer, business woman, and equestrian. She and her fraternal twin sister Ashley Olsen act together. They made acting debut as infants playing Michelle Tanner on the television series Full House from 1987 to 1995.

She protrayed as Sarah Thompson in the 1992 Christmas Television film To Grandmother's House We Go, Kelly Farmer and Young Aunt Sophia in the 1993 Halloween Television film, Jessica Martin in the 1994 western Television film How the West Was Fun, Amanda Lemmon in the 1995 film It Takes Two, Tess Tyler in Billboard Dad, Melanie Porter in Passport to Paris, Sam Stanton in Switching Goals, Maddie Parker in Our Lips Are Sealed, Chloe Lawerence in Winning London, Madison Stewart in Holiday in the Sun, Kylie Hunter in Getting There, Charli Hunter in When in Rome, Shane Dalton in The Challenge, and Roxanne Ryan in New York Minute.

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