United Kingdom, April 6 -- Anna Faris feared being fired during the Scary Movie shoot.

The 49-year-old actress has played Cindy Campbell in the Scary Movie films since 2000, but Anna admits that she felt insecure about her position on the first film.

Speaking to People, the Hollywood star explained: "I remember being just so scared that I was gonna get fired because I had no body of work behind me. I didn't even have an agent."

Scary Movie marked Anna's career breakthrough, and the actress admitted to feeling a bit nervous on set.

Anna - who has starred alongside Regina Hall, Shawn Wayans, Carmen Electra and Shannon Elizabeth in the franchise - felt markedly more comfortable by the time she filmed the third Scary Movie.

She shared: "...