By Margaret Lyons
March 26, 2009 at 11:20 PM EDT

Finally, a reason to look forward to Mondays:’s getting ready to debut a new weekly Web series, Must List Live. EW’s Dalton Ross and Jessica Shaw will be bringing you the week’s pop culture essentials — movies, music, TV, and oh yeah, a special celebrity guest! Next week’s show will cover the time slot face-off between American Idol and Lost, so get ready, Idolatry and Doc Jenson followers. And what A-lister will be sharing his or her Must List on Monday? Here are a few hints:

• He’s played kings, presidents, judges, officers, a prime minister, and more than a few professors
• He’s graced the cover of Entertainment Weekly twice
• He shares a title with one of his upcoming characters

Okay, PopWatchers, leave your best guesses in the comments — and don’t forget to come back Monday for the big premiere!

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