An interesting question; some examples that could point to an affirmative answer:
walked with God: and he was no more; for God took him.
the fiery furnaceand Shadrach, Meshach, and Abednego (though this is an admittedly literal sense of 'saved', it is noteworthy because of the appearance of a fourth person with them).
This sort of idea is, I think, a good side-effect of sci-fi's exploration of time-travel ideas; not to say that we should base our theology on sci-fi, but that sci-fi [or any fiction, really] allows the exploration of ideas that might have theological significance.
Amazed by how few reviewers noticed the Christian implications of Out of the Silent Planet, Lewis quipped to a friend that "any amount of theology can now be smuggled into people's minds under the cover of romance without their knowing it." (link)
I agree with you. What you are describing is a "theophany" - an appearance of God to a human; a divine manifestation. We can see this in the burning bush with Moses, the Angel of the Lord that wrestled with Jacob, the "man like unto the Son of God" in the fiery furnace with Daniel's friends, and other incidents spoken of in Scripture. Other religions also have such things in their ideas and lore, but in the case of the true God, who is Spirit, the Son of God is who presents the "face" of God to man. Jesus said, "If you have seen me, you have seen the Father.". He was speaking the truth.
As for Eagleone's question of those "saved" before Christ's death and resurrection, we can certainly see that those who believed God, their faith was counted as righteousness (see Genesis 15:6 and Romans 4:3 for that exact phrase regarding Abraham). Those righteous souls were kept in Hades (Abraham's bosom/Paradise) until Christ "led captivity captive" and opened the doors of heaven by His precious blood. They are now there in the presence of the Father and Son until Christ returns and: