Rebecca's mother Jenny works in a department store while her father Gary is a real estate lawyer.
Rebecca's favorite character on Lost is John Locke.
Rebecca compares her role as Charlotte in Lost to a "female Indiana Jones" because of the physical challenges it requires.
To keep herself in shape, Rebecca does Pilates and yoga. She also goes hiking and regularly goes to the gym.
Rebecca has naturally red hair. She was nominated for "On Air: Best Hair - Female" in TV.com's 2008 Fashion Awards.
After the 9/11 attack, Rebecca raised money for the New York City Fire Station who lost five men. She lived only a mile away from Ground Zero.
Rebecca's television debut was on the short-lived ABC sitcom Madigan Men.
She moved to Paris where her modeling career began when she was 18. In 1998, she settled in New York where she got more modeling gigs.
Rebecca has a Shih Tzu named Bella.
Prior to landing spots on TV shows, Rebecca was a Ford model.
In 2003, Rebecca posed for the famous photographer Richard Avedon for the Barely There lingerie commercial.
In 2007, Rebecca played Pam in the movie Great World of Sound. Her other films are Samantha: An American Girl Holiday and Replay.
When she was 17, she placed second in the Cambridge Evening News' Face of 1994 competition. It was there that she was spotted by a modeling agency.
Prior to appearing on Lost, Rebecca watched the first three seasons of the show in about two weeks. Right before she went to work on her first day as a cast member in season four, she saw the season three finale.
Rebecca's height is 5'7½" (1.71 m) and she has blue eyes.
Rebecca: (about her role on Lost) When I first got the job, I was told nothing about my character. She's an anthropologist and she's tough; she's a female Indiana Jones. That's what I went into the show knowing.
Rebecca: (on having too much rainfall in Hawaii) I'm English. That makes me feel at home! When it starts pissing down, I just put the kettle on. I'm like, "Oh, isn't this lovely? I I'll have a cup of tea." Oh, I love it.
Rebecca: (on her audition for "Lost") I was not going to leave that room until I made them fall in love with me.
Rebecca: In certain photo shoots, it's just not about standing there and trying to look pretty in a dress. A good editorial photo shoot usually has an art director, and there's a story that you're telling.
Rebecca: (on coming to Los Angeles) There's something about not being able to make a proper cup of tea outside of England. We all sort of whine about it, but I've come to realize the water and the milk are what change it.
Rebecca: Having red hair was the bane of my life -- until I got older, when I realized it was good to be different. But growing up with it was a nightmare. I used to get bullied at school, and people would call me horrible names.
Rebecca: (on doing her character in "Lost") It's hard for me to try to create something in my head because it's so unknown. I've never been in this position before. Usually when I do something, I kind of have this whole thing in my head of who I am and where I've come from. [With Lost] I have it to a point, but this is the least I've ever known as an actress. It's interesting.
Rebecca: (on coming on to an established show like "Lost") It's really different than doing a TV show that you're on from the beginning. ... It's also less stressful because it's already fabulous, already a well-oiled machine that's just moving. It's kind of like a roller coaster, you can just jump on and join in. I really like that. It's also already got a built-in audience.
Rebecca: (on the effect of the writers' strike on her) Oh, I was gutted. I was having such a good time. I had been out there for a few months so I had gotten to spend some time out there and have a great time. I was really, really disappointed.
Rebecca: (on her first day at work on "Lost", right after watching all three seasons) I'm sitting there, and I'd just finished the show, and out comes Locke, Claire, and Hurley and their all walking towards me, on a break, and I'm like (chokes). Oh my god! I'm like, this is not happening. It was such a surreal moment. I'm like "How did I climb inside my Mac laptop?".
Rebecca: (on blending in among the cast of "Lost") They were just fantastic, such an amazing group of peeps. They are so welcoming, its like I've been there for ever, they included me and I felt a part of the team very quickly, which was really nice. They totally get my secret sense of humor and I feel free to just sort of be myself.
Rebecca: (on playing Charlotte in "Lost") I really hope I get to do some fun stuff and get to discover more about this character because it is the most interesting thing I've ever done, to play someone so ambiguous in such an ambiguous environment is really, really, really unique. I've never had to do this before in my entire career.