Amanda Pays' husband Corbin Bernsen was initially slated to play Captain Cold but had to withdraw because of scheduling conflicts with L.A. Law (1986).
Barry (Flash) Allen calls Terri "Lois Lane"--a reference to Clark (Superman) Kent's Daily Planet rival/love interest. Lois Lane and Clark (Superman) Kent are characters published by DC Comics, as is The Flash. While Superman and the Flash interact in the comics as members of the Justice League, it is implied several times that in this series, Superman and Batman are fictional characters.