<P> Robbie awakens and after shaking off his hangover from the previous night, tells Linda that it's over and kicks her out . Then he attends the 50th wedding anniversary party of his neighbor Rosie (to whom he has been giving singing lessons). Realizing he wants to grow old with Julia, with Rosie's encouragement, he decides to pursue Julia . Just then, Holly arrives and asks him if he is still with Linda . He reveals he ended it with her and learns of Julia's plans to marry Glenn . He, Sammy, and Holly rush to the airport, where he gets a first class ticket to Las Vegas . After telling his story to an empathetic audience in first class, which includes Billy Idol, he learns that Glenn and Julia are on the same flight after a female flight attendant informs everyone that Glenn said the same terms he said about Julia while trying to seduce her . With the help of Billy and the flight crew, over the loudspeaker, he sings a song he has written called "Grow Old With You," dedicated to Julia . As Robbie approaches Julia singing, Glenn tries to attack him only to be blocked by Billy Idol and a flight attendant . When Glenn threatens Billy, a burly Billy Idol fan forces Glenn down the aisle while the same female flight attendant he tried seducing earlier shoves him into the lavatory . Robbie and Julia admit their love for each other, and share a kiss after Billy informs him that he liked the song and plans to tell his record company executives about him . </P> <P> The film ends as the scene fades to Robbie and Julia kissing at their wedding . </P> <Ul> <Li> Adam Sandler as Robbie Hart </Li> <Li> Drew Barrymore as Julia Sullivan </Li> <Li> Christine Taylor as Holly Sullivan </Li> <Li> Jodi Thelen as Kate Hart </Li> <Li> Allen Covert as Sammy </Li> <Li> Angela Featherstone as Linda </Li> <Li> Matthew Glave as Glenn Gulia </Li> <Li> Ellen Albertini Dow as Rosie </Li> <Li> Alexis Arquette as George Stitzer (a reference to Boy George; reprised as Georgina in Blended) </Li> <Li> Christina Pickles as Angie Sullivan </Li> <Li> Frank Sivero as Andy </Li> <Li> Billy Idol as himself </Li> <Li> Kevin Nealon as Mr. Simms </Li> <Li> Steven Brill as Glenn's buddy </Li> <Li> Steve Buscemi (uncredited) as David Veltri </Li> <Li> Peter Dante as David's friend </Li> <Li> Jon Lovitz (uncredited) as Jimmie Moore </Li> <Li> Brian Posehn (uncredited) as Man at Dining Table #9 </Li> <Li> Michael Shuman as The Bar Mitzvah Boy </Li> <Li> Robert Smigel as Andre </Li> <Li> Chauntal Lewis (uncredited) as Stuck - Up Girl at Bar Mitzvah </Li> </Ul> <Li> Adam Sandler as Robbie Hart </Li>

Who played billy idol in the wedding singer