There is no age at which it is too late to start acting, so long as you are healthy enough to audition for and perform in parts. For example, Burt Mustin began his professional acting career at the age of 67 after director William Wyler cast him in the 1951 film noir Detective Story.
Can I wear jeans to an audition?
You don’t need to dress like you’re going in for a corporate interview here. Your clothes shouldn’t be a wrinkled mess, but you also shouldn’t be wearing business attire to an audition. A good pair of jeans can go a long way, and it’s worth investing in a pair for auditions alone.