AGE AND OCCUPATION: 21, actor PROVENANCE: Los Angeles. PEDIGREE: Daughter of director and Oscar-nominated cinematographer Caleb Deschanel. ALMOST FAMOUS: In Cameron Crowe's movie of the same name, playing the rebellious, sage-like sister and stewardess. "I'm not a very shy person, but I was just completely speechless working with Cameron." LIKE MARILYN MONROE, SHE BRINGS NIETZSCHE TO THE SET: "When I was making [Barry Sonnenfeld's] Big Trouble in Miami, I had all this time, so I was like, Why not make this time like school? So I bought a book of word problems, and I would have a novel and some sort o|. philosophical book-something by Sartre or Nietzsche * Out this fall, Big Trouble stars Johnny Knoxville, Tim Allen, and Rene Russo WHY SHE'S OPEN TO ADVICE ON WHAT ROLES TO TAKE: "I'm the worst at picking which movies are going to do well. I have no idea. I'm really surprised if a movie I like does well.' STILL, SHE HAS GOOD FEELINGS ABOUT:The New Guy, with DJ Qualls, about "a really nerdy kid at high school who decides to get a makeover, change high schools, and become popular. I play his nerdy friend. I liked that part because I was this nerdy girl and I could relate."