39+ Best Pictures of Mia Sara. Mia sara (born june 19, 1967) is an american actress best known for her roles as ferris bueller's girlfriend, sloane peterson, in ferris bueller's day off, . She's perhaps best known for playing princess lili in legend and … That is a combined net worth with her husband of many years, producer/director/puppeteer . Mia sara played the stunningly cool sloane peterson in ferris bueller's day off — but did you know that's not actually her real name? Mia sara is an american actress who is best known for her role as sloane peterson in the movie ferris bueller's day off.
