Rachael attended several high schools, namely Clara Barton Open School, Laurel Springs School, and Minneapolis South High School.
At the age of ten, Rachael started working as a print model, with national ads for Milk Bone and Target.
At the age of seven, Rachael made her first apperance in the a public service announcement for foster care.
Rachael's parents are Thomas H. Cook, a social worker and former stand-up comedian and JoAnn, a cooking instructor and weaver.
In 1999, Rachael was nominated for two MTV Movie Award in the category of Best Breakthrough Female Performance and Best On-Screen Duo (this last one shared with Freddie Prinze Jr.) for her role in the movie She's All That (1999).
In 2000, Rachael won the Grand Jury Prize in the New York International Independent Film & Video Festival in the category of Best Actress for her role in the Sally (2000).
In 2001, Rachael was nominated for a Teen Choice Award in the category of Film - Choice Actress for her role in the Josie and the Pussycats (2001).
In 1999, Rachael was nominated for two Teen Choice Award in the category of TV - Breakout Performance for her role in the TV series Dawson's Creek and the category of Film - Sexiest Love Scene for her role in the movie She's All That (1999), this on shared with Freddie Prinze Jr..
In 2006, Rachael, as part of the cast of the TV mini-series Into the West (2005), won a group award, the Bronze Wrangler, by the Western Heritage Awards in the category of Outstanding Television Feature Film.
In 1999, Rachael won a YoungStar Award in the category of Best Performance by a Young Actress in a Comedy Film for her role in the movie She's All That (1999).
Rachael was 6 month pergnant when she finished filming season 2 of Perception and return to work, to film the next season only 4 month after the birth of her daugther.
In 2013, Rachael had her first daughter, Charlotte Easton Gillies, with her husband Daniel Gillies.
The character of Alice Cullen of the books Twilight by Stephenie Meyer.
At the age of 15, Rachael stopped modeling to focus on acting and school.
Rachael turned down the part of Rogue in the X-Men movies, and it ended up going to Anna Paquin.
Rachael has some Italian ancestry on her mother side.
In 2002, Rachael was voted #26 in the list 102 Sexiest Women in the World by Stuff Magazine.
Rachael got her role in a few episodes of Dawson's Creek, based on the recommendation of one of the show stars, Jame Van Der Beek, who had worked with her in the movie Texas Ranger (2001).
In 1997, Rachael was nominated for a YoungStar Award in the category of Best Performance by a Young Actress in a Comedy Film for her role in the 1995 film Tom and Huck.
In 2000, Rachael won the Moxie! Award at the Santa Monica Film Festival in the category of Best Actress for her role in the 1999 film The Hi-Line.
In 2001, Rachael won the Young Hollywood Award in the category of Superstar of Tomorrow - Female.
In 2001, Rachael was featured in the FHM calender as March.
In 2000, Rachael won (along with Freddie Prinze Jr.) the Blimp Award at the Kids' Choice Awards, USA in the category of Favorite Movie Couple for her role in the 1999 film She's All That.
In 2000, Rachael won the Blockbuster Entertainment Award in the category of Favorite Actress - Newcomer (Internet Only) for her role in the 1999 film She's All That.
In 2001, Rachael earned $1,500,000 for her role in the film Josie and the Pus*ycats.
Rachael stands at 5' 2" or 1.57 m.
Her dream role is Kate Nolan from A Tree Grows in Brooklyn.
Because of her involvement in the movie Final Fantasy VII: Advent Children, Rachael got to reprise her role as the voice of Tifa Lockhart in the Kingdom Hearts 2 console game, and won the 2006 Spike TV's VGA Award for Best Supporting Actress.
Rachael let go from Fox's Head Cases after the pilot was filmed.
Rachael is a fan of the book series Fearless. That's why she wanted to play Gaia, the main character, when it was being developed for tv.
Before starting her acting career, Racheal worked as a print model for 5 years.
Rachael attended the Laurel Springs School, a specialized school for young actors as it accommodates their commitments with their school work.
Rachael is a vegetarian and left handed.
Rachel was in a famous anti-drug commercial, where they use a smashed egg as a metaphor for a brain on heroin and a trashed room as a metaphor for the life around a heroin's addict. In the commercial, Rachel smash the egg and destroys the room with a frying pan, to complete the metaphor.
Rachael owns her own production company called Ben's Sister Productions, the name of which is a reference to her younger brother, Ben, who is an aspiring filmmaker.
Rachael: (On the movie Josie and the Pussycats (2001)) On Josie and the Pussycats (2001); I'm learning to play guitar. It's very difficult, but I'm determined to do it right so I don't make anybody mad.
Rachael: (on working with other women and how the movie Josie and the Pussycats (2001) was different) I guess I've done one other movie with a group of girls, but we weren't as close.
Rachael: (on her co-stars in the movie Josie and the Pussycats (2001)) I would love to work with Rosario Dawson & Tara Reid again. We were a team on the set of Josie and the Pussycats (2001), our chemistry was great from the first day of filming & you don't really expect that when you work with new people. I still call them everyday, like sisters to me!
Rachael: (on how much she enjoyed doing the movie Josie and the Pussycats (2001)) I'd love to do a sequel. Even if it was 'Ernest Goes to Mars 3'- if these girls were in it, I'd do it in a minute.
Rachael: I'm not small, I'm space-efficient.
Rachael: Once I tried highlighting my brother's hair, but I think I mixed it wrong. It was as if someone poured kerosene on his head.
Rachael: When I came into the business, things changed a lot, and my life was in a real state of flux.
Rachael: I'm learning to play guitar. It's very difficult, but I'm determined to do it right so I don't make anybody mad.
Rachael: When something is troubling me, people know about it.
Rachael: My height was never a factor.
Rachael: You can grow apart from people very quickly.
Rachael: Like, I crave boredom at this point.
Rachael: You know, we have to take these characters who, granted, have their separate personalities but, on a lot of levels, are pretty two-dimensional and make them into people with flaws, with insecurities.
Rachael: I'm Rachael, and I just really, really like to act. But I don't think it's who I am.
Rachael: You wouldn't recognize me from one project to the next.
Rachael: I'm not ready to be put in a box.
Rachael: I'm more of a whiner!
Rachael: I do know where my toothbrush collection is. It's in a blue, zippered vinyl pencil case with pictures of cats on the front in my parents' attic in Minneapolis. You never know when you're going to need a toothbrush collection!
Rachael: I didn't want to start acting like a cartoon.
Rachael: I can be incredibly self-conscious and erratic when I'm not comfortable with somebody or a situation.
Rachael: I always say that even if this were the worst movie in the world, I'd do it again because it was such a good time.
Rachael: I always get keyed up worrying about things that don't need to be worried about.
Rachael: Hours fly by while I'll just be in my apartment, and somehow it will be messy later. I'll clean it up and eat cereal and watch Ricki Lake and call friends I haven't talked to.
Rachael: My mother and father were married when my mom was 20 and my dad was 24.
Rachael: Acting just sort of happened and I found that I loved it. It was such a challenge.
Rachael: I don't think I'm that kind of actor, not like Julia Roberts-recognizable.
Rachael: I guess I've done one other movie with a group of girls, but we weren't as close.
Rachael: I have a pair of lucky socks.
Rachael: I have no interest whatsoever in being a high-fashion model, nor is it possible.
Rachael: I have two cats at home in Minnesota with my family. Beau and Skippy.
Rachael: I just stopped growing at about 15.
Rachael: I mean, whether or not you're there, people change from junior high to high school and from high school to college.
Rachael: I think I'm a million different faces.
Rachael: I want to try everything.
Rachael: I was a PBS kid!
Rachael: I was very involved with school by the time I was 15 and wasn't working much as a model.
Rachael: Being a realist helps protect me from disappointment in both my business and personal life.
Rachael: Sometimes I'm just a disaster! Other times it seems like I'm one of the most normal people I know.
Rachael: One night we invited a bunch of people over and had sort of an eighth-grade party. We ordered pizza and watched Wayne's World. It was great!
Rachael: Sometimes I say things that I can't believe came out of my mouth. Or I won't mean something and it will come out completely nonsensical.
Rachael: People always give me styling products and stuff.