E. Martin Estrada
Self - U.S. Attorney for the Central District of California
Katy Forrester
Self - Journalist, The US Sun
Greg Kading
Self - LAPD Detective, Ret.
Deborah Walker
Self - Journalist, The Hollywood Reporter
David Feifel
Self - Kadima Neuropsychiatry Institute
Anna David
Self - Author, Party Girl
Hank Azaria
Self - Actor & Matthew's Friend
Jennifer O'Neill
Self - Former Celebrity Assistant
Jennifer Aniston
Self - Actor & Co-Star (archive footage)
Mark Chavez
Self - Physician (archive footage)
Courteney Cox
Self - Actor & Co-Star (archive footage)
Savannah Guthrie
Self - Co-Host, Today (archive footage)
Kenneth Iwamasa
Self - Matthew's Personal Assistant (archive footage)
Marta Kauffman
Self - Co-Creator, Friends (archive footage)
David Letterman
Self - Host, Late Show with David Letterman (archive footage)
Cody McLaury
Self - Ketamine Overdose Victim (archive footage)
Caitlin Morrison
Self - Matthew's Sister (archive footage)
Keith Morrison
Self - Matthew's Stepfather (archive footage)
John Bennett Perry
Self - Matthew's Father (archive footage)
Salvador Plasencia
Self - Physician (archive footage)
Jasveen Sangha
Self - Ketamine Queen (archive footage)
Diane Sawyer
Self - Journalist, ABC News (archive footage)
Erik Fleming
Self - Director/Alleged 'Street Dealer' (archive footage)
