In hindsight, I wish instead of having the black spy be clearly legibly the black spy, it would have been more poignant to have him in a hospital gown so you couldn't even tell who was on which side, but I feel like it was necessary for legibility to have one in their normal costume.
I think your original choice helps drive home the message that the war isn’t over for one of them. If they were both wearing white, it would have been harder to immediately see the motivation.
