The Quran mentions four previous divine writings from Allah called:
There are so many Bible figures and stories mentioned that they contribute almost 25% of the Quran's content, but it seems oblivious to the fact that it has failed to paraphrase accurately from the earlier originals. These are split into Old and New Testaments in links below.
The Quran mentions Aaron, Abraham, Adam, David, Elijah, Elisha, Enoch, Ezekiel, Ezra, Goliath, Haman, Isaac, Ishmael, Jacob, Jethro, Job, Jonah, Joseph, Korah, Lot, Moses, Noah, Saul, Solomon.
The Quran mentions Jesus, John the Baptist, Mary, Zechariah and the disciples of Jesus.
The Quran gives NO explaination about these writings which suggests that NONE was required as it was obvious to the audience and if in doubt they could ask Christians.
Surah 10:94 - So if you are in doubt, about that which We have revealed to you, then ask those who have been reading the Scripture before you.