Robert Patrick reprises his role as Major John Skokes from Quality of Mercy (1995). This is the first sequel in the history of "The Outer Limits".
The handheld test equipment being used in the reactor room is actually a Fluke ScopeMeter.
This is the only episode with an entirely male cast.
Robert Patrick's character has a mechanical hand. He previously played a terminator in Terminator 2: Judgment Day (1991).