Patrick Swayze thought his "Dirty Dancing" costar Jennifer Grey was immature, and Grey had begged the studio not to cast him
Nina Dobrev shocked fans of "The Vampire Diaries" when she admitted she and costar Paul Wesley "despised each other" at the beginning of the show
Julia Roberts and Nick Nolte acted alongside each other in "I Love Trouble," and there was apparently some trouble on set
Sophia Bush and Chad Michael Murray got married — and then divorced — on the set of "One Tree Hill,"
Ryan Gosling and Rachel McAdams originally did not get along while filming "The Notebook" ... but they went on to date for roughly three years
There was no love lost between Lauren Graham and Scott Patterson, who played Lorelai Gilmore and Luke Danes on "Gilmore Girls."
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