<P> "The One with the Rumor" is the ninth episode of the eighth season of the American television situation comedy Friends, which aired on NBC on November 22, 2001 . It continues the series' annual Thanksgiving - themed episode tradition, and guest - stars cast member Jennifer Aniston's then - husband Brad Pitt in the uncredited role of Will Colbert, who reveals that he and Ross (David Schwimmer) were part of an "I hate Rachel" club . The two of them hated Rachel Green (Aniston) and got the exchange student from Thailand to join their club . Will revealed that they spread a rumor in high school that Rachel (Aniston) was a hermaphrodite . </P> <P> The episode was directed by Gary Halvorson and written by Shana Goldberg - Meehan . It was nominated for multiple Primetime Emmy Awards, but was criticized as "insulting" by a national intersex education group . Pitt admitted his appearance was mainly to promote his upcoming film, Spy Game . </P> <P> Monica invites an old school friend of hers and Ross' for Thanksgiving, Will Colbert (Brad Pitt). She also tells a crestfallen Joey Tribbiani that she won't be cooking a turkey because of Will's, Chandler's, Rachel's and Phoebe's aversion to the poultry . Joey admonishes Monica and demands the tradition, and so Monica obliges with a monstrous bird . Throughout the episode, Joey battles the enormous turkey, eventually changing into Phoebe's maternity clothing to ease the strain on his stomach . </P> <P> Will arrives and is revealed to have lost an enormous amount of weight . However, he reacts very badly when learning that Rachel Green, who he hated in high school, will be joining them for dinner . Rachel is immediately attracted to Will, unable to recognise him, but Will is openly hostile and this culminates in his proud announcement that he - and Ross - founded the "I Hate Rachel" club in high school and initiated a rumour that she was a hermaphrodite, which was spread throughout their entire high school . Rachel feels betrayed by Ross, until Monica reminds her that she started a rumor of her own that Ross made out with the school's 50 - year - old librarian, though a horrified Ross confirms it as true . Rachel demands that Ross recant the rumour by calling everyone from school, but Monica puts them both in their place by reminding them that Rachel's rumour put Ross on the social radar, that Ross and Will's rumour had no effect whatsoever on Rachel's queen bee status, and that they're having a baby together . Will is completely dumbfounded by this revelation, but takes pleasure in the fact that Ross got Rachel pregnant but isn't going to marry her . </P>

Who plays monica's friend will on friends