1. Jennifer Aniston
Role she plays: Working girl, generally blue collar. She is unlucky in love. She has some troubles finding a man but comes across a man that is perfect for her. They hit it off but something gets in the way. Through courage and struggle, she ultimately finds happiness within herself and gets the man. Examples: The Good Girl, He's Just Not That Into You, Office Space, Friends, The Break Up. This list can go on and on.
2. Katherine Heigl
Role she plays: Uptight, strong willed and hard-working shrew who loosens up through the progression of the movie because she is paired with a man who is her opposite. They bump heads through out the movie but ends up falling for the man she would have not picked for herself. Examples: Knocked Up, Killers, The Ugly Truth
3. Bruce Willis
Role he plays: Bad ass cop/ detective with a hard exterior. As the movie progresses, he find his hard exterior being softened by his troubled past and finally begin to understand his perspective. He sometimes cracks jokes to lighten up the mood. He kicks some more ass and saves the day. Examples: Every single Die Hard film, Hostage, Cop Out
4. Samuel L. Jackson
Role he plays: He is yelling....a lot. Examples: S.W.A.T., Pulp Fiction, Snakes On A Plane, Jackie Brown, Deep Blue Sea etc.
5. Cameron Diaz
Role she plays: Hot girl who is hot. Makes herself look ugly/ stupid and acts a fool to play down her hotness. This is usually done by wearing a ridiculous outfit or the over usage of slapstick comedy. Roles: My Best Friend's Wedding, There's Something About Mary, The Mask, The Charlie's Angel movies.
6. Will Smith
Role he plays: Non-threatening black man in a position of authority. He is stern yet approachable. Uses comedy to lighten the mood. Makes white people un-clutch their pearls. Examples: Men in Black movies, Wild Wild West, I Robot, Bad Boys movies, Independence Day.
7. Seth Rogen
Role he plays: Overweight, unattractive looking average Joe who has a fixation for marijuana. Uses self-deprecating humor to show his humility. Goes for women that are out of is league physically and is aware of that fact. Examples: Knocked Up, 40-Year-Old Virgin, Pineapple Express, Funny People.
8. Will Ferrell
Role he plays: Vapid, clueless, stupid yet lovable man-child. He does things that grown men should not do and thus creates laughter. This is usually done with over the top outfits and animated reactions. Examples: Step Brothers, Zoolander, Anchorman, Talladega Nights, Blades Of Glory.
9. Morgan Freeman
Role he plays: Level-headed and wise old black guy with a voice that can soothe your pain. Usually conveniently shows up in a movie to offer advice. Examples: Shawshank Redemption, Million Dollar Baby, Bruce Almighty, Se7en, Driving Miss Daisy.
10. Michael Cera
Role he plays: Socially awkward and scrawny adolescent who is a virgin. He is not like the other guys because he listens to The Shins and collects vinyl. He is sensitive and wears Vans sneakers. He likes girls that are out of his league but ultimately gets them to fall for him with his innate charm and boyish good looks. So basically, he just plays himself. Examples: Superbad, Youth In Revolt, Arrested Development, Nick and Norah's Infinite Playlist, Paper Heart, Scott Pilgrim vs The World, basically everything he's ever been in ever.