Tom Hanks and Rita Wilson say they are taking coronavirus isolation "one day at a time" and have thanked Queensland Health staff.
The Hollywood duo were placed in isolation on Thursday at the Gold Coast University Hospital after testing positive to COVID-19.
In a social media post, Hanks and Wilson thanked "everyone here Down Under who are taking such good care of us".
"We have Covid-19 and are in isolation so we do not spread it to anyone else," the post said.
"There are those for whom it could lead to a very serious illness.
"We are taking it one day at a time."
Hanks has urged people to follow the advice of experts.
"There are things we can all do to get through this by following the advice of experts and taking care of ourselves and each other, no?" he wrote.
Quoting a line from his character, baseball coach Jimmy Dugan, in the 1992 movie A League of Their Own, Hanks signed off with, "Remember, despite all the current events, there is no crying in baseball. Hanx."
A Queensland Health spokeswoman said on Friday morning all coronavirus patients at the Gold Coast University Hospital — including Hanks and Wilson — were in a stable condition.
Hanks was in Queensland to film Baz Luhrmann's Elvis biopic.
Warner Bros Pictures confirmed in a statement that it was "taking precautions to protect everyone who works on our productions" and that authorities had spoken with the film's producer Baz Luhrmann, who confirmed production was temporarily on hold.
Hanks' son Chet took to social media on Thursday to tell fans he had spoken with his parents, saying they were "not even that sick".
Queensland Health has confirmed eight more cases, taking the total number in the state to 35.
One person in Kingaroy and one person in Rockhampton have tested positive to COVID-19 — the first cases detected outside South East Queensland.
Authorities have also estimated almost 3,000 people are in self-isolation at home.
The Elvis production was predicted to inject more than $105 million into the local economy, creating about 900 jobs for locals in set production, catering, and costume design.
Several films have now pushed back their release dates in Australia.
The latest James Bond film No Time To Die was set to premiere in Australia in April, but that has been postponed to November.
