Start with local theatre seriously! then do some research on agents, and acting coachs. if you get an agent you won't have much more to worry about.
You can start acting at any age :)
Making a tape of yourself acting and including it when you apply/audition for acting jobs is the best way to start an acting career.
if you
she started acting at age 8
he started acting when he wanted to
luis starting acting in 2002
Aaliyah first started acting at the age of 18
He started acting when he retired from going to the Olympics.
She started acting at 8 years old.
1920
idkk
1982