He has had guest appearances on Seinfeld ("The Dealership"), CSI, Buffy the Vampire Slayer, Friends, Sabrina, the Teenage Witch, and Charmed.
Daniel Boone | Hagen | Daniel Webster | Daniel Patrick Moynihan | Daniel Barenboim | Daniel Defoe | Daniel Amos | Daniel | Daniel O'Connell | Daniel Libeskind | Daniel Craig | Jack Daniel's | Daniel Radcliffe | Daniel Chester French | Daniel Boulud | Uta Hagen | Daniel Dennett | Daniel Day-Lewis | Daniel Collopy | Daniel Buren | Daniel Auber | Nina Hagen | Daniel Johnston | Daniel Ellsberg | Daniel Stern | Daniel O'Donnell | Daniel Burnham | Daniel Nestor | Daniel Henney | Daniel Boone (TV series) |
Daniel Hagen played the role of Milton, Robert Stanton played Swift, and Nancy Opel played Kafka.