Let’s be real, the actual love story in Cadet Kelly was between Kelly and Christy Carlson Romano’s Jennifer, but second to that was the beautiful Cadet, Brad, and his ~connection~ with Kelly.

Once she was asked to join the cast, however, her old alter ego kicked ... aside from dancing as a kid and completing a boot camp before filming Cadet Kelly. Luckily, her husband, Brendan Rooney ...

Christy Carlson Romano, former Disney Channel star of “Kim Possible,” “Even Stevens” and “Cadet Kelly,” grew up ... little tougher than most child actors,” Romano said.