13 Actors Who Were Far Older Than Their Teenage Characters

2. Sally Thomsett - The Railway Children

Real age 20, Character Phyllis Waterbury 11

Sally Thomsett had one of the most difficult tasks of all the actors in the list, as she wasn’t playing a teenager, but an 11 year old girl. At the age of 20, it was her young looks and clever costuming that made her convincing as The Railway Children’s Phyllis Waterbury.