If they truly are using the cross as a literary device, then I would think that they will make Don out to be a Christ figure. Just some things I was thinking of off the top of my head:
Don loves trying to save people, even at his own expense. In particular, he is kind to "whores."
Like Jesus, Don has this time in his life where we aren't really sure what happened to him. There are big gaps in his story.
Don is often viewed as a miracle worker (at work, at...