---Scenes That Almost Made Actors Quit

It can seem like Hollywood is all glitz and glamour, but while the idea of being famous is appealing to many of us, a lot of real, hard work goes into movies behind the scenes. That work can test a person's limits not just as an actor but as a human being.

Including:
Michelle Rodriguez in The Fast and the Furious | 0:17
Lauren Cohan in The Walking Dead | 0:57
Jim Carrey in The Grinch | 1:29
Ian McKellen in The Hobbit | 2:08
Jessica Alba in Fantastic Four | 2:47
Brad Pitt in Interview with the Vampire | 3:27
Russell Crowe in Robin Hood | 3:57
Emma Watson in Harry Potter | 4:32
Al Pacino in The Godfather | 5:07