Hi Bonez,
I am a US casualty actuary. While the details of the qualification requirements have changed quite a bit over the years, the essence is the same. There is a series of examinations, usually lasting several years, plus courses in professionalism and ethics, followed by post-qualification continuing eduaction. It is a serious commitment, but for those who persevere a rewarding field - actuaries are rarely unemployed and pay is excellent in most companies.
With a self-study examination program, heavy-duty maths and systemic analysis, and a requirement for copious memorisation and attention to detail, I found this to be an ideal profession and have found it to be a good field for this Aspie to pursue. I work in the actuarial software industry, which is as close to an ideal job as I can get.