She really kill a Nick's wife and Sam or just her imagination??

I'm watching it again right now in fact, as I've forgotten some of it.

You really should put your thread title in the post with a *Spoiler Warning*, not 'up front'.
It kind of spoils the film for anyone who hasn't seen it yet.



"I'd say this cloud is Cumulo Nimbus."
"Didn't he discover America?"
"Penfold, shush."

Yes she really killed them, the woman was insane and anyone who got in her way ended up dead, Sam, Dr Browning and Nicks wife were all obstacles to what she wanted and she got rid of them all.