you did not specify on =what actor you were refering to
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
She started acting at 8 years old.
He started acting when he retired from going to the Olympics.
Aaliyah first started acting at the age of 18
1982
idkk
1920