Amy Spanger, who plays the dead soldier's sister, was Michael C. Hall's wife at the time of filming, but they separated in 2006.
Ruth sits by Maya's bedside, nursing her ear infections. Nate appears to her.
Nate: Thank you, Mom. I couldn't imagine anyone else raising her but you.
Ruth: I love her so much.
Nate: I know you do.
Nate sees Ruth tenderly stroke Maya's forehead.
Nate: When I see you touch her forehead, I can almost feel it on mine. In this room, when I was a little kid, before Claire, before David, when it was just you and Dad and me. When I knew everything was going to be all right.
Claire (Having a hysterical breakdown): "Support Our Troops"? What a bunch of bullshit! Why don't you try driving something that doesn't require so much gas for starters if you're so fucking concerned! Yeah, we wouldn't want to offend anybody while they're "supporting our troops". Dozens of Iraqis are still dying every day. The whole world hates us for going in there in the first place. And terrorists are still gonna be blowing shit up in this country for the next 100 years. And the best thing she can think to do about it is put a sticker in that enormous shit box! You know they still bring the wounded soldiers back at night so the press can't even film it and nobody sees! American soldiers are still being fucked up everyday and they don't even tell us! And it's all so you can put gas in this enormous fucking car to keep everybody feeling really fucking American!
Claire: Nate, what is that?
Nate(as a ghost): I don't know
Claire: You know everything about the entire fucking universe but you don't know what's out there right now in the dark?!
Nate(as a ghost): Stop listening to the static.
Claire: What the fuck does that mean?!
Nate: I am pretty sure that Arnold Schwarzenegger and Maria Shriver are brother and sister, and they're making it work.
While David, Keith, and the kids are eating supper, David's hand cramps up when he starts getting angry. This is a sign of peripheral nerve disease. It is triggered by trauma, which makes sense because David's post-traumatic stress has returned.
When Claire visits Nate's burial place, she can hear and see a wild animal nearby. The speed of the animal and the strange roar it gives off signifies that the creature could very well be the cougar that was seen in Ecotone.