John Goodman

["The Dean (segment: Happy Birthday)"]

Sydney Tamiia Poitier

["Hannah (segment: Happy Birthday)"]

Beverly D'Angelo

["Bag lady (segment: Happy Birthday)"]

Christopher Lloyd

["Attorney bum (segment: Happy Birthday)"]

David Hyde Pierce

["Barney (segment: Happy Birthday)"]

Caroline Rhea

["Monica (segment: Happy Birthday)"]

Ken Hudson Campbell

["Security guard (segment: Happy Birthday)"]