I don't want to get too far off topic here, but let's deal with this question of whether or not any were saved prior to the cross.
God had His book of Life with the names of the saved written in it prior to the cross.
Jesus told the immoral woman who washed His feet with her hair, "Your sins have been forgiven. ... Your faith has saved you, go in peace." Luke 7:36-50
Lazarus rested upon Abraham's bosom rather than suffer in torment as the rich man did.
We know that Abraham, Moses, Joseph and others in the Old Testament were saved by their faith. The writer of Hebrews points to them to prove that it was always by faith that men were saved.
Whether men rested with Abraham until the time of the cross, or slept or were immediately in Paradise is probably a topic for a different discussion. For the purposes of this discussion, let us agree that before the cross, it was still imperative that any who came to God had to believe that He is and is a rewarder of those who seek Him. Hebrews 11:8
Did Judas ever have that faith? Was his name ever recorded in the book of life, then struck out? Luke 10:20 Exodus 32:33 Psalm 69:28
As Thessalonian mentioned, Judas was one of the twelve who Jesus gave authority to cast out demons and heal the sick. Jesus had appointed him as an apostle.
I ask these questions because they hit at the heart of many of the issues that have divided the church over the ages. Issues such as once saved, always saved and predestination.