22 Season
4252 Episode
Late Show with David Letterman - Season 10 Episode 116 Hilary Swank, Jimmie Walker (2015)
Mailbag: ""Does Alan Kalter really have a twin?"" Dave points out that he does have a brother named Rick, but Alan interrupts with a chin rub. Apparently, Big Red recently discovered he has a twin sister, Denise. After catching up on lost time at a local restaurant, Alan and Denise go to his place and make out.
- Country : United States of America
- Genre : Talk, Comedy
- Studio : CBS
- Director :
- Cast : David Letterman, Paul Shaffer, Alan Kalter