[ Finn looks him up and down and easily sees that he's telling the truth. More so, the guy is a bit freaked out... Or a lot freaked out.

He's a newcomer. It's... weird and genuinely disconcerting how much he looks like James (physically, at least), but Finn tries his best to let that go and relax. Tries and doesn't entirely succeed. ]

You-... [ Deep breath. ] I'm sorry. You just... look a lot like someone I know. I'm sorry.

Um- You heard the voices, right? Before you woke up?

[ It's slightly rhetorical, but Finn gives not!James a second to collect himself. ]