She returned to Australia in 1979 and began to rise to public prominence, notably through successfully hosting a string of Sydney's annual Jazz in the Domain summer outdoor concerts.
[2] She subsequently appeared in many Australian film and television roles and was especially well known for her role in the 1988 surprise hit (in Australia) film Young Einstein and, from 1992, for her regular appearances on Bert Newton's top-rating nationally-broadcast morning entertainment show Good Morning Australia.
[3] In 1993-4 she hosted her own talk show on ABC TV called In Company with Su Cruickshank and she continued to make frequent guest appearances in a wide variety of Australian drama, comedy and light entertainment programs for the rest of the decade, as well as appearing in a number of TV commercials.
[2] She maintained a long-running fortnightly radio spot on the nationally broadcast ABC Local Radio Overnights program and is often remembered for her appearances on the nationally televised World Series Debates that were a gala event of the Melbourne International Comedy Festival in the early 1990s.
[2] A large woman, Cruickshank briefly co-owned a Portuguese themed restaurant in Newtown, New South Wales in the late 1990s[1] and often made use of her size in her on-stage and on-screen personas and it became a signature part of her public image.