(in credits order) complete, awaiting verification
- Al Jardine(archive footage) (as Alan Jardine)
- Dennis Wilson(archive footage)
- Brian Wilson(archive footage)
- Carl Wilson(archive footage)
- Vincent Bugliosi(archive footage)
- Charles 'Tex' Watson(archive footage) (as Charlie 'Tex' Watson)
- Paul Watkins(archive footage)
- Sandra Good(archive footage)
- Gregg Jakobson(archive footage)
- Stephen Desper(archive footage) (as Steven Desper)
- Terry Melcher(archive footage)
- Mike Love(archive footage)
- Bruce Johnston(archive footage)
- Legs McNeil(archive footage)
- Ronnie Howard(archive footage)
- Jay Sebring(archive footage)
- Abigail Folger(archive footage)
- Voytek Frykowski(archive footage) (as Wojciech Frykowski)
- Steve Parent(archive footage) (as Steven Parent)
- Sharon Tate(archive footage)
- Roman Polanski(archive footage)
- Leno LaBianca(archive footage)
- Rosemary LaBianca(archive footage)
- Richard Nixon(archive footage)
- Steven Gaines(archive footage)
- Catherine Share(archive footage) (as Catherine 'Gypsy' Share)
- Ruby Pearl(archive footage)
- Keith Altham(archive footage)
Rest of cast listed alphabetically
Crew believed to be complete