It was the same actress as from season one though.

Serious. Check the end credits and IMDB

She was the realtor who was showing the motel to the couple during the end montage

Longclaw?

The Count of Monte Cristo

A white coat.

Clothing made from

Monte Cristo

The writer's side, because the characters are just their puppets in producing this rubbish.

Not bad.

I want one too, damnit.

I'll go with the obvious one - Mr Freeze, because he's resistant to cold.

I'm going to make a wild guess (as I haven't seen the episode yet - and it's cruel to expect us to at this point Eddie), his lips. Perhaps he had a touch of cyanosis at some point.