(in credits order) complete, awaiting verification
- William S. Burroughs(archive footage)
- Margret Augustine(archive footage)
- Thor Heyerdahl(archive footage)
- Ed Bass(archive footage)
- Jane Poynter(archive footage)
- Mark Van Thillo(archive footage)
- Abigail Alling(archive footage)
- Rue McClanahan(archive footage)
- Roy Walford(archive footage) (as Roy Walford M.D.)
- Barry Serafin(archive footage)
- Taber MacCallum(archive footage)
- David Stumpf(archive footage)
- Ron Pepe(archive footage)
- Jane Goodall(archive footage)
- Stephen Bannon(archive footage) (as Steve Bannon)
Rest of cast listed alphabetically
- Katie Couric(archive footage) (uncredited)
- Phil Donahue(archive footage) (uncredited)
- Buckminster Fuller(archive footage) (uncredited)
- Matt Lauer(archive footage) (uncredited)
