Ok, I've finally decided to post here because I want to do a few comments.
I always pictured MArtha Liberty as a middle aged even old woman. Something along the lines of Diahann Carroll. I approve your choices for Rashid and McCoy too, Gryff. Mai has always beeing Michelle Yeoh in my mind.
Rasins, Sean Connery is Morgan for me
. Richard Harris or Alec Guiness would have been Langtry. Hugh JAckman is a quite good realistic option.
Since Agents of Shield began I thought Grant Ward looked very much like my mind's Dresden. And, of course, Thomas is Matt Bomer, no other option.