Muti modeled as a teenager and made her film debut in 1970 in "La moglie più bella" (aka "The Most Beautiful Wife"). She has primarily worked in Italian films but she made her English-speaking film debut as Princess Aura in "Flash Gordon" in 1980. American movies she appeared in include "Love and Money" (1982), "Casanova" (1987), "Wait Until Spring, Bandini" (1989), "A Season of Giants" (1990), "Oscar" (1991), "Once Upon a Crime" (1992), "Somewhere in the City" (1998) and "To Rome with Love" (2012).