That is NOT (repeat, NOT, repeat, NOT!!!!) Mike Mercury. No way.
We don't see him in close up so we can't be sure about it.
its not HIM!!!!!!
it looks more like a DUCK
Those aliens seemed to have no regret for having their entire race wiped out. Just happy that they weren't among them.
Troy made it sound like a real problem that they only had the two sets of breathing apparatus, but a few minutes later, he and Phones held their breath and swam over to Stingray. (Of course, if Troy had made this suggestion instantly, the aliens wouldn't have had the chance to show off their nasty side....)