Adult film actress Siobhan Hunter encouraged Fine to go into adult films. Adult film actress Barbara Dare remarked how "fine" Jeanna was, which prompted Jeanna to adopt that as her surname. She was romantically involved with fellow pornographic actress Savannah.
Fine began in the adult movie industry as a blonde-haired punk-girl when she was 21 in 1985. She made fifty movies between 1986 and 1989. She re-emerged as a brunette in 1990. According to Fine's official adult film bio, Fine's adult film career was noted to have several large gaps between performing, such as during the pregnancy and birth of her son.
Fine retired from the adult film business, with her last noted film Deep Inside Sunset Thomas released in 2003. She has appeared in no new films since then, although several compilations of unreleased content featuring Fine have been released since 2003.