Are there any freed from the Fire from other than the Ummah of Muhammad?

After the advent of Prophet Muhammad, peace and blessings be upon him, no one will be saved from the Fire except those who believe in him, as he, peace and blessings be upon him, said: "By the One in whose hand is Muhammad’s soul, no one from this nation, neither a Jew nor a Christian, hears of me, then dies without believing in that with which I was sent, but he will be among the people of the Fire." As for before his advent, whoever believed in his prophet and died upon that was among the people of Paradise, and whoever disbelieved was among the people of the Fire.