Lucas needed a lot of Jedi to fill out the climactic battle in "Attack of the Clones," which sees the Jedi Knights trying to face off against Dooku's army.
"One day my Production Manager [...] put a photocopy of a 'Star Wars' comic featuring Aayla Secura on my desk and said, 'Do you want to do this?'” Allen said.
Allen said yes, of course. Even though she didn't have much by way of dialogue, Aayla Secura's very distinctive look helped her stand out in the eyes of fans.