You might be able to.
For commerce/arts, you have to do 96 commerce units, and 96 arts units.
the actl major takes up, 48 uoc, and the compulsary cores/electives will take another 36 (since actl1001 and math1151 was counted in the 48 of ACTL). Leaving you with 12 uoc spare for commerce.
For arts, you need a major and at least a minor, Chinese will be your major, taking up 54. Now,
here, at the bottom, in Double Major Stream and External Major Streams, you can pick of those for the 2nd major of Arts (instead of doing a minor). Let's pick international business coz its says its only 48 uoc, but since you would have done mgmt1101 for the commerce part of your degree, its only an additional 48 uoc.
So, in conclusion, yes you can, without doing any extra subjects. I believe if you do this, you would have satisfied all the requirements.
TL;DR
This would be the plan.
Compulsory cores/electives 48 UOC (This includes MATH1151, ACTL1001, MGMT1001)
Actuarial major an additional 36 UOC (Since MATH1151 and ACTL1001 were counted above)
Chinese Major 54 UOC
International Business Major 42 UOC
Prescribed faculty of arts elective 6 UOC
= 186 UOC
Then you still have 1 spare subject
You should confirm this with the uni though, but atm it seems fine to me.