There's a faint hum from the door as someone activates the decontamination beam, and another man steps into the room. He's wearing the same type of white uniform as the rest of the staff, but his dark hair is rumpled like he hasn't slept in days, scruffy stubble on his chin. He falters momentarily when he sees Hunter, a stranger he doesn't recognize, and draws in a breath to demand who the hell he is before he sees Spock, who is clearly allowing this unknown person to access the captain.

Most of the fight goes out of him, assured that if Hunter was any danger to their injured commanding officer, Spock would absolutely not just be standing there. But he's also under a great deal of stress, and his tone is perhaps a little brusque when he asks, "Who are you?"