Image Credit: Janet Mayer/PR Photos; Bob Charlotte/PR Photos; Jim Steinfeldt/Getty ImagesIf you're like us, then your eyebrows probably scrunched a little at the news that Stephen Colbert will be part of an all-star, three-night-only staging of Stephen Sondheim's musical Company with the New York Philharmonic in April, co-starring Neil Patrick Harris, Patti LuPone, and Martha Plimpton. Stephen Colbert? The Stephen Colbert of The Colbert Report? Sure, he's a top-flight comedian, and he's a talented musician who's broken into song more than once on national TV. But we never thought we'd see him embrace his inner Gleek with a role in a Sondheim musical. Still, the announcement got us thinking of other great out-of-nowhere stage performances in New York theater history. Here are a few of our favorites — take a look at them, and then head to the comments to let us know which ones we're missing!

Green Day singer Billie Joe Armstrong in American Idiot (2011)

Jerry Springer as Billy Flynn in Chicago (2009)

Sean Combs (a.k.a. P Diddy) in A Raisin in the Sun (2008)

Tony Danza in The Iceman Cometh (1999)

Fran Drescher in Camelot with the NY Philharmonic (2008)

Luke Perry in The Rocky Horror Picture Show (2001)

Sebastian Bach in Jekyll & Hyde (2000)

David Hasselhoff in Jekyll & Hyde (2000)

Rosie O'Donnell in Fiddler on the Roof (2005)

Christie Brinkley in Chicago (2011) Your turn, PopWatchers!

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