Recurring Guest Characters Patrick Swayze 2 guest appearances Jon Favreau 2 guest appearances Matthew Perry 2 guest appearances David Boreanaz 2 guest appearances LL Cool J 2 guest appearances Penn Jillette 2 guest appearances Teller 2 guest appearances Joseph Gordon-Levitt 2 guest appearances Amy Brenneman 2 guest appearances Will Ferrell 2 guest appearances Margaret Cho 2 guest appearances Shannen Doherty 2 guest appearances Bill Maher 2 guest appearances Jeremy Piven 2 guest appearances George Carlin 2 guest appearances Kellie Martin 2 guest appearances Melissa Gilbert 2 guest appearances Peter Krause 2 guest appearances Jimmy Kimmel 2 guest appearances Rob Schneider 2 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥