Recurring Guest Characters Elmo 1 guest appearances Andrew Lawrence 1 guest appearances Joey Lawrence 1 guest appearances Katie Couric 1 guest appearances Dave Chappelle 1 guest appearances Michael Keaton 1 guest appearances Victoria Principal 1 guest appearances Sheryl Lee Ralph 1 guest appearances Phil Hartman 1 guest appearances Mary Tyler Moore 1 guest appearances Rob Schneider 1 guest appearances Dawn Wells 1 guest appearances Sean Connery 1 guest appearances Linda Eder 1 guest appearances Ashton Kutcher 1 guest appearances Jennifer Aniston 1 guest appearances Kim Coles 1 guest appearances Erin Murphy 1 guest appearances ⇤ « 1 2 3 » ⇥