Will Ferrell Wasn't Sure About 'Elf' at First

It's been 15 years since "Elf" became an instant modern Christmas classic, and James asks Will Ferrell about his hesitation at the beginning of filming and what James Caan said to him at the premiere about his acting performance.

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Each week night, THE LATE LATE SHOW with JAMES CORDEN throws the ultimate late night after party with a mix of celebrity guests, edgy musical acts, games and sketches. Corden differentiates his show by offering viewers a peek behind-the-scenes into the green room, bringing all of his guests out at once and lending his musical and acting talents to various sketches. Additionally, bandleader Reggie Watts and the house band provide original, improvised music throughout the show. Since Corden took the reigns as host in March 2015, he has quickly become known for generating buzzworthy viral videos, such as Carpool Karaoke."