CHINA TOPIX

David Letterman's Final Late Show Guests

Soledad Mayo   |

Apr 14, 2015 05:38 AM EDT

After more than 20 years behind the desk at the Ed Sullivan Theater, David Letterman, 68, the longest-running late-night host in history known for his acerbic style and verbal sparring matches, will be packing his final 28 shows with an impressive guest list before the final broadcast of the "Late Show With David Letterman" on Wednesday, May 20.