Cube/Fridge

In Cube 2: Hypercube

 * Early on, Kate tried to save the colonel but left him to die horribly when the situation became hopeless. Later on she risks her own life to save Sasha from an equally hopeless situation. Motherly instincts coupled with lingering guilt, right?
 * It may seem kind of strange that Knife Nut Simon keeps getting his ass handed to him by Kate at first. (Noticeable in the many scenes where he tries to manhandle her or restrain her. Excluding the first instance where he catches her off guard, he has been shown to be completely incapable of effectively restraining her, such as in the room with the spinning cube, where she punched him in the face when he tried to restrain her, or when Simon, or finally, when she managed to  . Although dismissable at first due to the observation that Simon had a thing for her (at least in the earlier half of the movie), the ending reveals that  . This also explains why she seemed so remarkably calm when Simon "held her hostage" in the beginning (which even he comments on about how she manages to retain her sense of humor even in this situation) - she wasn't afraid of him at all.

In Cube Zero
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 * Haskell is the former IZON soldier who later . Haskell also happens to be the name of a programming language.