[5] She debuted on television in 1971, taking over the role of Liza Walton Sentell in the daytime soap opera Search for Tomorrow, which was originated by Denise Nickerson.

[6] Her film debut was a small role in 1974's The Godfather Part II, portraying an actress in a play that the young Vito Corleone and Genco Abbandando attended.

[7] Beller returned to television work, appearing in TV movies such as Mary White (1977) and Are You in the House Alone?

[8] Although she assumed this demand would cause her not to be cast, she won the role, which the film's director changed to a woman in her early 20s.

[8] In an interview to promote the film, Beller admitted that, although she was 25 years old at the time, she still had trouble convincing people that she was older than 16.

[5] In 1982 Beller starred in the Civil War miniseries The Blue and the Gray, in which she played Kathy Reynolds, a senator's daughter.

Beller perhaps is best remembered for her role from 1982 to 1984 as Kirby Anders Colby in the prime time television soap opera Dynasty.

[5][9] She blamed her departure from Dynasty on the new writers who were hired in 1984,[5] explaining that they had "lost interest in her character and that when her contract ended, they decided not to renew it".

[10] Her casting in the film was an unusual one: According to the actress, she received a call from her agent about a script, read it immediately, and drove to the studio an hour later, expecting a meeting.