I have doubts it's him, he wasn't really doing anything THAT suspicious. Also worth mentioning he nonchalantly defended Julian on day 3, which under normal circumstances would be risky, because that would put him under suspicion too if he was an ice planet along with Julian.
You could argue he was genuinely worried for his ice planet comrade however, but to me it doesn't seems like it.
You could argue he was genuinely worried for his ice planet comrade however, but to me it doesn't seems like it.