For the Term of His Natural Life was adapted for the stage by Charles MacMahon prior to 1908. MacMahon also used the novel as the basis for one of the first full-length motion picture films, produced in Australia in 1908 (22 minutes).There was another version in 1911, The Life of Rufus Dawes, based on Alfred Dampier's popular stage adaptation of the novel.
The best-known film version came in 1927, featuring silent screen stars George Fisher and Eva Novak. It also included British actor Edward Howell who went on to be an Australian stage and television actor based in Sydney.
An Australian miniseries, For the Term of His Natural Life was written and produced by Patricia Payne and Wilton Schiller in 1983 starring Colin Friels as Dawes and featuring Anthony Perkins and Patrick Macnee. The 21-year-old composer Simon Walker was chosen to produce a lavish orchestral score, released by 1M1 Records. This version is based on the US edition.
In 2013 Patricia Payne reintroduced For the Term of His Natural Life in the form of an interactive iPad app
The Australian movie His Convict Bride or For the Term of Her Natural Life (1918) also alluded to Clarke's work.