8 actors who could have appeared in our favorite sitcoms

Jennifer Aniston got her lucky ticket when she was cast as Rachel on Friends. And today we can hardly imagine what the series would be without her. But still, at least it's interesting to know who else could be cast in popular sitcoms. We checked out who could play the lead roles in our favorite series. Here are the actors who could have appeared in our favorite sitcoms.

8 PHOTOS

1. Jane Krakowski as Rachel Green on Friends.

2. Ellen DeGeneres as Phoebe on Friends.

3. Johnny Galecki as Sheldon Cooper on The Big Bang Theory.

4. Paul Giamatti as Michael Scott on the sitcom The Office.

5. Adam Scott as Jim Halpert in the sitcom The Office.

6. Jennifer Love Hewitt as Robin on How I Met Your Mother.

7. Ashlee Simpson as Elena on The Vampire Diaries.

8. Michael Trevino as Damon on The Vampire Diaries.