Dan Klein is part of The Kasper Hauser Comedy Group, along with Rob Baedeker, James Reichmuth, and John Reichmuth. In addition to performing live shows in the U.S. and Europe, the group's members have appeared on Comedy Central and on Public Radio International. The Kasper Hauser podcast, produced by The Sound of Young America, was selected as an iTunes Best Podcast in 2006, nominated for a 2008 Rooftop Award for Best Comedy Podcast, and chosen as "Podcast of the Week" by the "Times" of London.