Try to avoid using daydreaming as a way to escape from reality. Daydreaming and paying attention to the present moment is contradictory. Consider finding something fun to focus on in...
Practice your part when you're at home. Look at monologue videos, and gain some strategies from those. Imagine there's people where you're practicing so you won't feel shy.
You can in that you can pay for twelve one-month subscriptions ($9.99/month), but you can't pay for a 12-month membership ($59.99) on a month-to-month basis.
