Inside James Corden's Preparations for His Big 'Late Late Show' Debut

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British comedian James Corden is gearing up for his debut as the new host of The Late Late Show on Monday, and ET was behind the scenes as the show scrambles to prepare for the changing of the guard.

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"We still need to book some guests," James said with a laugh.

Of course the 36-year-old funnyman and actor, who is inheriting the CBS late-night show from Craig Ferguson, has been burning the candle at both ends in anticipation for the big debut. He stopped by the TCA Press Tour in January to give the inside scoop into the type of program he hopes to create.

"The harder I work, the better chance I have at this show being successful," he said. "There's nothing more creative I don't think I'll ever do in my career than try to make an hour of television every day."

The Into The Woods star's way of presenting that content is expected to respect the traditional late-night talk show format, but with a twist. James is a big fan of indie artists and plans to use the show as a platform where little-known bands and comics can build a buzz.

VIDEO: Craig Ferguson Passes the Late Late Show Torch to James Corden

James himself is also building buzz for the show with promos and a cheeky spread in this month's GQ.

The Late Late Show with James Corden premieres March 23 with guests Tom Hanks and Mila Kunis. Other guests in the first week include Kerry Washington, Will Ferrell and Kevin Hart. The Late Late Show airs weekdays at 12:35 a.m. ET/PT on CBS.