Born in Alaska on September 9 1965, at Anchorage, Alaska, USA. Her father is a psychologist while her mother is a home maker. She finished school one term early before she move to new york to start her modelling career. This blond actress  with a height of 5' 10½" (1.79 m) have been to an entirely different area within just to attain screen stardom. She moved anywhere for different opportunities have seen ahead of her. Johnson was full of strength, power and potentials to faced all the risk in her journey of career.

She was married a major league baseball player named Matt Williams in January 15, 1999.In days of living together still they didn't have a child.Three years after their marriage,filed for divorce (2002). And after another year passed, the divorce was finally approved.

Director Stanley Donen in the Sherwood Production signed her to appear as Michael Caine's love interest in the romantic comedy film Blame It on Rio. The movie was notable as Johnson's first starring role. She had several topless scenes and one full frontal nude scene - despite being only 17 when the film was shot. She really received excellent notices in her first starring role film blame it on rio that in 1987 johnson has seen in fox network series warewolf.

Since the film's has released, Johnson has had dozens of appearances as a supporting actress. She has appeared in films such as Far and Away, Gung Ho, Death Becomes Her, The Glimmer Man and Mickey. Many of her appearances also  were in television movies (mainly ones based on famous murder trials) and TV series (including a guest spot on Moonlighting and a recurring role on The Love Boat), as well as starring in a 1991 episode of Tales From the Crypt. In 2001, she tried her hand in production. She was the Art director in the independent film comedy Triangle Square.