U.S. Navy Lieutenant Francis "Frank" Bartholomew Parker (Jonathan LaPaglia), a former Navy SEAL and ex-CIA operative who was brought out of a secret CIA mental institution - due to a mental breakdown he had suffered as a result of being tortured while being a prisoner in Somalia - to be the project's chrononaut. It is often said that Parker's mental problems are what allow him to be such a good chrononaut. Parker's youth was spent in a Philadelphia area orphanage. He is divorced and has a son whom he doesn't see often. He is continually chasing Olga, but she keeps refusing his advances. A running gag is that, every time he actually hooks up with Olga (including the very first episode), he is forced to backstep to before it happened, and is unable to duplicate the events that led to them getting together. He also occasionally drinks to excess and has a gambling problem. Technically, he's a NSA agent but, outside of a mission, he can't leave the Project's headquarters, which chafes him. He always tries to get around the rules in an ongoing battle of wills with security chief Nathan Ramsey. His codename is "Conundrum".