(in credits order)
- Kenny Blank(as Kenn Michael)
- Twila Liggett(as Twila C. Liggett PhD)
- Barbara J. Irwin(as Barbara J. Irwin PhD)
- Pam Johnson(as Pam Johnson PhD)
- Cecily Truett(as Cecily Truett Lancit)
- Ellen Schecter(as Ellen Schecter PhD)
Rest of cast listed alphabetically
- Dick Carlson(archive footage)
- Johnny Carson(archive footage)
- Connie Chung(archive footage)
- Newt Gingrich(archive footage)
- James Earl Jones(archive footage) (archive sound)
- Regina King(archive sound)
- Fred Rogers(archive footage)
- Run-D.M.C.(archive footage)
- Salt-N-Pepa(archive footage)
- Janet Weir(archive footage)
- Shari Belafonte(archive footage) (uncredited)
- Ed Bradley(archive footage) (uncredited)
- Alison Brie(archive footage) (uncredited)
- Yvette Nicole Brown(archive footage) (uncredited)
- Kevin Clash(archive footage) (uncredited)
- Michael Dorn(archive footage) (uncredited)
- Jimmy Fallon(archive footage) (uncredited)
- Jonathan Frakes(archive footage) (uncredited)
- Donald Glover(archive footage) (uncredited)
- Caitlyn Jenner(archive footage) (uncredited)
- Michael Jordan(archive footage) (uncredited)
- Walter Koenig(archive footage) (uncredited)
- Angela Lansbury(archive footage) (uncredited)
- Samm Levine(archive footage) (uncredited)
- Stan Margulies(archive footage) (uncredited)
- Joel McHale(archive footage) (uncredited)
- Daryl Mitchell(archive footage) (uncredited)
- Eddie Murphy(archive footage) (uncredited)
- Nichelle Nichols(archive footage) (uncredited)
- Trevor Noah(archive footage) (uncredited)
- Rosie O'Donnell(archive footage) (uncredited)
- Alan Rickman(archive footage) (uncredited)
- Sam Rockwell(archive footage) (uncredited)
- Tony Shalhoub(archive footage) (uncredited)
- William Shatner(archive footage) (uncredited)
- Brent Spiner(archive footage) (uncredited)
- Ringo Starr(archive footage) (uncredited)
- Patrick Stewart(archive footage) (uncredited)
- George Takei(archive footage) (uncredited)
- Kenan Thompson(archive footage) (uncredited)
- Cicely Tyson(archive footage) (uncredited)
- Sigourney Weaver(archive footage) (uncredited)
- Steven Wright(archive footage) (uncredited)
