In 1984, she was nominated for a Tony Award for Best Performance by a Featured Actress in a Play for Michael Frayn's comedy Noises Off.

[1] She later appeared in films Oliver's Story (1978), 10 (1979) and Honky Tonk Freeway (1981), and made-for-television productions Alice at the Palace and A Midsummer Night's Dream in 1982.

[1] Also in 1983, Rush starred in the satirical mockumentary comedy film, Zelig written and directed by Woody Allen.

[3] On stage, Rush also acted in Hay Fever, The Sisters Rosensweig, and Stephen Adly Guirgis' The Last Days of Judas Iscariot.

[7] She also made guest appearances in television series such as Law & Order: Special Victims Unit, The Good Wife, Inside Amy Schumer and The Blacklist.