Pete "Maverick" Mitchell is a US Navy Pilot, whom Top Gun is centered around. He is a troubled character, and its hintedthat the cause is due to his father's death in the Vietnamwar. We are led to believe that this incident shaped hislife, flying style, and led to his call sign.
Charlotte Blackwood (Kelly McGillis) a pretty young blonde woman that has all the men going crazy when they see her. She reveals herself to be Charlie, a previously unseen DOD flight instructor that Maverick had assumed to be male. Charlie is a civilian contractor at TOPGUN and the love interest of Maverick.
Tom "Iceman" Kazansky was one of the few United States Naval Aviators to be sent to TOPGUN. He had an extremely cocky personality and was known for his big ego. His signature bleched hair tips are closely associated with the fact that he is "the best pilot" in the new class of TOPGUN students.
Nick Bradshaw, Call Sign Goose, was Maverick's R.I.O., or Radio Intercept Officer. While clearly able to enjoy himself and have a good time, Goose was clearly more level headed than his partner Maverick, which is shown through his family and slightly more serious personality.