Her character on "Friends" may have been flighty, but Kudrow herself is anything but. Kudrow earned a B.S. in Biology from Vassar and spent 8 years working for her doctor dad, doing medical research.
Davis isn't just a brilliant actress known for her roles in "Thelma & Louise" and "A League Of Their Own," she's also just plain brilliant. Davis is a member of Mensa, which is a social organization for the top 2% of most intelligent people. She's also fluent in Swedish, is an Olympic-level archer, and plays the piano, drums, and flute.
The late night talk show host may seem to be all laughs, but there's a brain in there too, and it's an impressive one. Conan graduated from Harvard University magna cum laude and served as president of the Harvard Lampoon, the school's humor magazine.
The star of "Once Upon a Time in America" and Disney's "Hercules" has one of the most impressive IQs possible: an astounding 184! Woods nearly perfected his SATs after already taking linear algebra at UCLA while still in high school. Woods could have gone to MIT or Johns Hopkins on full ride scholarships, but instead chose to go into acting.
Watson is like her "Harry Potter" character in many ways: she's beautiful, she's outspoken, and she's extremely smart. The British star showed everyone her brainy side by attending the prestigious Ivy League school Brown University. She just graduated with a bachelor's degree in English literature this year.
David Duchovny of "The X-Files" went to Princeton as an undergrad where he won a prestigious prize, then earned a Master's degree in English Literature from Yale.
Jodie Foster was the Valedictorian of her French-speaking high school, and she can hold her own in several languages. Foster received a Bachelor's degree in Literature from Yale.
Quentin Tarantino was a high-school dropout, but the director is said to have an IQ of 160 and to possess a wealth of self-taught knowledge on a variety of subjects.
Lamarr was one if the biggest names in Hollywood during MGM's "Golden Age," and quickly rose to fame as one of the most beautiful women in the world. But she didn't just have looks, she also had brains. Her passion for math and technology led her to patent an early technique for a form of communication called frequency-hopping, which paved the way for modern wireless technology!
Kal Penn may not play the most intelligent roles in the "Harold & Kumar" movies, but in real life he is very intelligent and active in political science. The actor famously stepped away from his acting career to work for the Obama administration, and is currently working on a graduate certificate in International Security from Stanford.
It's pretty common knowledge now that Natalie Portman is more than just her good looks and impressive acting. She graduated from Harvard with an A.B. degree in psychology, and her work has been published twice in scientific journals.
Funnyman Martin's talents go well beyond comedy — he's also an accomplished author and musician. The former Philosophy major once considering going on to a career as a professor. Cleary, Martin is a jack of all trades that could succeed at anything he puts his mind to.
Playing a neuroscientist on "The Big Bang Theory" isn't much of an acting challenge for Mayim Bialik — she really is one! Bialik got into both Harvard and Yale but chose to attend UCLA, where she earned a PhD in Neuroscience.
Swoon-worthy Brit Colin Firth has just as many credits for activism as he does for acting. The most surprising item on Firth's resume, though, is his co-authorship of a very serious scientific paper. The paper studies the brain structures of people with differering political orientations.
Surprised to find the "Tik Tok" singer on this list? Apparently, the whiskey-guzzling high school dropout is hiding a big brain under that glitter-drenched hair! She has an IQ of 140, which is considered very high, and scored a 1500 on her SATs.
Dolph Lundgren is known for his brawn, but this tough guy has even more brains. He earned an engineering degree in Sweden, a Master's degree in Australia, and then won a Fullbright scholarship to MIT!
The actress best known for her role in "Basic Instinct" reportedly has a super-high IQ. The blonde is beautiful, but she's also brainy!