Haje began her career at age 14 as a fashion model while attending North Hollywood High School. Her acting career started at 17 in the television movie Crime of Innocence. After appearing in several other television roles, including an appearance in the movie Bates Motel, Haje landed the role of sensitive poet Simone Foster on Head of the Class. After the series ended in 1991, she continued acting in both television and films. She was named as one of the "50 Most Beautiful People" in People Magazine's first edition of that list in 1990. That same year, Haje won a Daytime Emmy Award for Outstanding Special Class Program for hosting the special Spaceship Earth: Our Global Environment.