According to her, the best part about acting is that she loves doing it and the worst part is the fact that it involves long hours and attracts too much media attention.
Katie attended the Round Meadow Elementary School and A.E. Wright Middle School.
Katie was named after Katherine Hepburn.
Jesse McCartney took Katie to Hawaii (her favorite vacation spot) to celebrate their first anniversary together.
Katie's good friend Greg Raposo wrote a song for her called "We're in Love".
As of 2008, Katie resides in Los Angeles.
Katie is a skilled guitarist and a pianist.
In 2004, Katie modeled for brands like Abercrombie & Fitch and Guess.
For her role on Supernatural, Katie had to get herself some kickboxing training.
In her spare time, Katie takes yoga and dance lessons.
Katie's role on the TV show Supernatural was cut from being a regular to a guest star due to budgetary concerns of the show.
For her part as a demon hunter in Supernatural, she watched some Discovery Channel to study how predatory animals go after their prey. She also watched action movies like Basic Instinct to prepare for the role.
Katie did a cover of her father's song "I Think I Love You".
Katie's other film credits include The Lost (2005), Walk the Talk (2007), and Live! (2007).
Katie received a Calabasas High School senior award for community service.
As a young girl, Katie kept singing along with the radio.
Katie appeared in Jesse McCartney's music video for his song "She's No You" in 2005.
Katie traveled along on her boyfriend's US tour in 2005. That same year, she, her family, and her boyfriend, Jesse McCartney, took a trip to Costa Rica in 2005.
Katie started doing theater when she was in elementary school.
Katie was named one of the most beautiful people of 2006 in PAPER magazine.
Katie received a brand new truck from her parents for her 16th birthday.
Color: Blue and black
Foods: Sushi & Beets, Chinese, Sushi, macaroni and cheese
School Subject: Algebra
Pastime: Hanging out with friends
Sport: Baseball Desert: Popsicles
Actor: Josh Hartnett
Actress: Natalie Portman and Julia Roberts
Singer: Christina Aguilera
Movie: Titanic and Van Wilder
Restaurant: Koi (A Japanese restaurant)
Katie has four dogs named Doodle, Sophie, Jack, and Maddox. She also has a tortoise named Myrtle.
Katie's parents David Cassidy and Sherry Benedon, a fashion model in the 70s, never got married. She has two half sisters, Jenna and Jaime, and a half brother, Beau. Her grandparents, the late Jack Cassidy and Evelyn Cassidy, were also actors. Her stepdad is Richard Benedon.
Katie's nicknames are Bug and K.
Katie has been very interested in gymnastics since her childhood. In fact, she has had professional training for it. She also took tumbling classes when she was younger.
Katie was a cheerleader in high school. She went on to become a cheerleader for the California Flyers.
Katie had to put on gigantic boobs for her role as Samantha in the movie Click.
Katie attended the Round Meadow Elementary School in Bell Canyon then she attended the Calabasas High School in Calabasas, California.
Katie has had the experience of babysitting. She has done it a few times.
Katie's height is 5 feet 5 inches (1.65 metres). She has blond hair and green eyes.
Katie: (About what she looks in a boyfriend) I have to be with someone with a good personality and a good sens of humor! I like to laugh a lot! It is really cool when someone is different than everyone else!
Katie: Every year my grandma would take me to Disneyland. It was a special time for just the two of us and no one else. I think I was about 3 when I first went and continued until I was maybe 12. It was our day and I especially remember the "Electric Parade". It was so much fun and my grandma has always been very special in my life.
Katie: I like A&F also…..My favorite jeans are Rock and Republic but I used to wear a lot of Frankie B. I like surf stores like Vals Surf and board clothes too.
Katie: (About her most memorable moment while filming Supernatural) In the second episode, I'm at a diner and I put ketchup on my plate. I'm supposed to put a big load of ketchup on my plate. So, I'm squeezing the bottle and on about our third take...I think someone had unscrewed the top to play a joke on me because all of a sudden ketchup flies all over me and all over plate! I had just started on the show and everyone was laughing. It kind of broke the ice for me to make me feel more welcome on the set. It as kind of embarrassing, but it was fun.
Katie: I've done thrillers and I've done a horror movie and definitely want to do an action movie, more than anything.
Katie: (on whether coming from a family of actors is an advantage or a disadvantage) At the end of the day I still have to go in there and audition like everybody else. They're not going to hire you if you suck.
Katie: (on working with the cast of Supernatural) It's been really great! They're really talented actors and such sweet boys. They really make you feel welcome and they are goofballs. It's been really fun! I've had a great time.
Katie: I don't like people who are fake.
Katie: (on her favorite thriller) I really like Texas Chainsaw Massacre, the old ones and the new ones.
Katie: I used to baby-sit but never by myself. I always brought a friend with me, one of my girlfriends, and we'd baby-sit together. Because it was scary. It freaked me out to be in the house like that, watching the kids.