Amy is best known for her role as Ginny Field in the 1981 horror film Friday the 13th Part 2. Steel also starred in the 1986 horror film April Fool's Day.
Her numerous television roles include a stint on the CBS soap opera Guiding Light as Trudy Wilson from 1980–1981, and as Peggy Warner on All My Children in 1980 and a 1995 TV movie Abandoned and Deceived. Steel also starred in the short-lived television series The Powers of Matthew Star and starred in the short-lived television series military drama For Love And Honor. Steel has made guest appearances on various TV series, including Seven Brides for Seven Brothers, Family Ties, CHiPs, The A-Team, Chicago Hope, Quantum Leap, Millennium and JAG.