From 1993 to 1999, he also played the recurring role of Sergeant Clive O'Connor in crime drama series Law of the Land.
Moir appeared in several miniseries, including 1915 (1982), Singles (1984), The Last Bastion (1984), Land of Hope (1985), The Challenge (1986–1987), The Fremantle Conspiracy (1988), Bodysurfer (1989) and Ring of Scorpio (1991).
At first, he successfully hid his diagnosis, but when his speech started to become affected, the degenerative effects of the disease gradually brought his acting career to a premature end.
Moir later underwent deep brain stimulation therapy, a process covered by Esben Storm’s 2006 documentary The Bridge at Midnight Trembles.
[5][6] The short film Not Dark Yet, made by his filmmaker daughter Bonnie, also mirrors Moir's life.