Alley Mills appeared in comedy-drama film, Diary of a Mad Housewife in a supporting role where she played the character named Women's lib girl. After then, Mills continuous her career and gave her performance in numerous movies such as Going Berserk, Jane White Is Sick & Twisted, A Gloden Christmas, Appetite for Love and so on. However, most of those movies went unnoticed.
Aley got her big break after she appeared in the American television comedy-drama, The Wonder Years where she portrayed the character, Norma Arnold. Following this, Alley appeared in numerous television series, Touched by an Angel, Popular, The Beach Boys; An American Family, Yes, Dear, Girlfriends, Strong Medicine, The Bold and the Beautiful and many others.
Taking about her personal life, Alley Mills was involved in a love affair with David Birney, an American actor, however, the couple separated after a year of their relationship.
After an unsuccessful relationship, Alley Mills got married to her long-term boyfriend, Orson Bean who is 23 years elder than her. Currently, Alley is happy with her husband and there are no conflicts in their relationship that is suggestive of divorce.
Alley belongs to a white ethnicity and holds an American nationality. As of now, Alley has appeared in numerous movies and tv series through which she has earned a beautiful amount of money. As of 2017, her net worth is estimated to be around $2 million.