In 1969, he arrived in Australia to be best man at the wedding of his pianist brother Ron and Judith Durham, former lead singer of The Seekers.
In 1971, after submitting a script to them, he was offered a position as writer on Matlock Police, which he initially declined, as it would have meant forgoing acting.
[4] Edgeworth's first stage play Boswell for the Defence (1989) was a hit for Leo McKern in London's West End and throughout Australia.
[5] A second play Love Julie starring Millicent Martin and Anne Charleston toured England to rave reviews.
His musical, Georgy Girl, opened in December 2015 at Her Majesty's Theatre in Melbourne and toured to Sydney and Perth, for producers Richard East and Dennis Smith.