She had to wear loads of old-fashioned outfits for the filming. "They weren't itchy. I got to keep one of the dresses," she said.
In one scene, Georgina had to clamber down the side of a house from an attic window.
"That was lots of fun. I had to wear a harness," said Georgina. She's a sporty person (she plays tennis, lacrosse and netball) so she didn't find the stunt too difficult.
Georgina went through five auditions before she got the part of Pollyanna, but she said she wasn't too nervous.
She thinks some people have got the wrong idea about the character of Pollyanna: "They think she is sickly sweet, but she hasn't had an easy life."
Georgina said her friends are "really excited" about seeing her on TV and they had a giggle when a book of Pollyanna turned up in their school library with her picture on the cover.
But Georgina, who likes J-Lo, Ms Dynamite and eating chocolate, is not sure if she's going to be actress when she grows up.
"I'd like to go to university and decide what I want to do from there," she said.