Name: Katherine Evelyn Anita Cassidy
Nickname: Bug
Birthday: November 25th, 1986
Star sign: Sagittarius
Birth place: Los Angeles, California, United States
Current age: 22
Height: 5' 7"
Hair colour: Blonde
Eye colour: Green

She started off her career modeling with Abercrombie and Fitch.

She would like to try producing and directing at some point.

Katie has covered her father's song "I Think I Love You".

Katie has always been interested in performing, as a child she took classes in piano, guitar, singing, gymnastics, acting and dancing.

She has starred in remakes of three horror movies, When a Stranger Calls, Black Christmas and the upcoming A Nightmare on Elm Street.

She took martial arts and kick boxing lessons for her role as Ruby on Supernatural.

After the third season of Supernatural, Katie had the option of staying or leaving as the writers weren't sure what they wanted to do with the character of Ruby. When she got her role on Harper's Island, she decided to do that.

Katie had to wear prosthetic breasts for her role in Click, which she hated.

Her parents are David Cassidy and Sherry Williams.

Katie has two older sisters, Jaime and Jenna, and a younger brother, Beau.

Her famous relatives include uncles Shaun Cassidy and Ryan Cassidy, and grandparents Jack Cassidy, Evelyn Ward and Shirley Jones.

Her favourite colours are blue and black.

Katie's favourite horror movies are The Texas Chainsaw Massacre and The Ring.

Katie went to Calabasas High School and was a cheerleader in her freshman year.

Jesse McCartney's song "Tell Her" was written for Katie.

Katie has four tattoos, read about them here.

Her favourite snack is banana covered in peanut butter.