- John Ritter - Himself (archive footage)
- Joyce DeWitt - Herself
- Suzanne Somers - Herself
- Richard Kline - Himself
- Kaley Cuoco - Herself
- Amy Davidson - Herself
- Martin Spanjers - Himself
- Jacqueline Kennedy - Self (archive footage)
- Diana, Princess of Wales - Self (archive footage)
- Robin Williams - Self (archive footage)
- Anna Nicole Smith - Self (archive footage)
- J.K. Rowling - Self
- Elvis Presley - Self (archive footage)
- Phil Hartman - Self (archive footage)
- John Travolta - Danny Zuko (archive footage)
- Olivia Newton-John - Sandy Olsson (archive footage)
- Stockard Channing - Rizzo (archive footage)
- Jeff Conaway - Kenickie (archive footage)
- Didi Conn - French (archive footage)
- Dinah Manoff - Marty Maraschino (archive footage)
- Jamie Donnelly - Jan (archive footage)
- Barry Pearl - Doody (archive footage)
- Michael Tucci - Sonny (archive footage)
- Kelly Ward - Putzie (archive footage)
- Dennis Stewart - Leo 'Craterface' Balmudo (archive footage)
- Annette Charles - Cha Cha DiGregorio (archive footage)
Capítulo disponible en las siguientes plataformas:
