Photos Of Mark Ruffalo And More On The Late Show

Mark Ruffalo and Stephen Colbert

Mark Ruffalo and Stephen Colbert

Enjoy the clip, then watch The Late Show with Stephen Colbert weeknights at 11:35/10:35c!
John Cleese and Stephen Colbert

John Cleese and Stephen Colbert

Enjoy the clip, then watch The Late Show with Stephen Colbert weeknights at 11:35/10:35c!
John Cleese

John Cleese

Enjoy the clip, then watch The Late Show with Stephen Colbert weeknights at 11:35/10:35c!
Michael Flatley and Stephen Colbert

Michael Flatley and Stephen Colbert

Enjoy the clip, then watch The Late Show with Stephen Colbert weeknights at 11:35/10:35c!
Michael Flatley and the

Michael Flatley and the "Lord Of The Dance"

Enjoy the clip, then watch The Late Show with Stephen Colbert weeknights at 11:35/10:35c!
Michael Flatley and the

Michael Flatley and the "Lord Of The Dance"

Enjoy the clip, then watch The Late Show with Stephen Colbert weeknights at 11:35/10:35c!