- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Late Show with David Letterman — S17E93
Episode: Ewan McGregor, Abby Elliott, Mumford & Sons
Air Date: 2010-02-17
Overview
Actor Ewan McGregor; comic Abby Elliott; Mumford & Sons perform.