Elenco (na ordem dos créditos)
Ross Huguet
Self - Narrator (voice)
Lawrence Schiller
Self - Journalist, Author & Film Director
Paula Woodward
Self - Denver Journalist & Author
Ron Walker
Self - First FBI Agent on the Scene
Steven E. Pitt
Self - Forensic Psychiatrist
Bill Wise
Self - First Assistant Boulder District Attorney
Steven Ainsworth
Self - Boulder County Sheriff's Detective
Henry Lee
Self - Forensic Scientist
Gregg McCrary
Self - FBI Profiler
Michael Kane
Self - Grand Jury Special Prosecutor
Michael Dobersen
Self - Forensic Pathologist
Leslie Aaholm
Self - Boulder Police Spokesperson (archiveFootage)
Hal Haddon
Self - John Ramsey's Attorney (archiveFootage)
Alex Hunter
Self - District Attorney (archiveFootage)
Tom Koby
Self - Boulder Chief of Police (archiveFootage)
John Ramsey
Self - JonBenet's Father (archiveFootage)
JonBenét Ramsey
Self - Murder Victim (archiveFootage)
Patsy Ramsey
Self - JonBenet's Mother (archiveFootage)
Jeff Shapiro
Self - Reporter, The Globe (archiveFootage) (voice)
Lou Smit
Self - Homicide Detective (archiveFootage)
Steve Thomas
Self - Police Detective (archiveFootage)