On 25 January 2019, pursuant to the Supreme Court Act 1887 s3, Her Excellency the Governor appointed several former judges as part-time acting judges of the Court, each for a term of two years.
The appointees were:
- The Honourable Brian Ross Martin AO KC, a former Chief Justice of the Northern Territory;
- The Honourable Shane Raymond Marshall, a former judge of the Federal Court of Australia; and
- The Honourable David James Porter AM KC, a former judge of this Court.
Since the appointment of the acting judges in 2019 several further appointments have been made for various periods of time.
On 29 June 2026 Her Excellency the Governor appointed the Honourable Paul Slattery KC, a former Acting Justice of the Supreme Court of the Australian Capital Territory, Judge of the District Court of South Australia, and Auxiliary Justice of the Supreme Court of South Australia, as an Acting Judge of the Supreme Court of Tasmania, for the period 29 June 2026 to 30 June 2027.