Narrator / Self - Narrator (33 episodes, 2005-2011)
Self - Narrator / Narrator (9 episodes, 2003-2004)
Mrs. Saadiq / Wife / Yvette (3 episodes, 2005-2009)
Lenny DePaul (3 episodes, 2005-2007)
Det. Nancy Demme / Lynn Slepian / Margaret Rudin (3 episodes, 2007-2009)
(3 episodes, 2007-2010)
Company Trustee / Jeri Armbrust (3 episodes, 2009-2010)
(3 episodes, 2005-2007)
Narrator / Self - Narrator (3 episodes, 2004)
Glen Lucero / Jose Ortiz / Tom Choiniere (3 episodes, 2007-2010)
Cop / Eric Robert Rudolph (3 episodes, 2007-2008)
John Manlove / LA Cop (3 episodes, 2004-2005)
Rodney Blach (2 episodes, 2005)
Robert Lee Yates / Tommy Ray (2 episodes, 2009)
Daniel Conahan / Vic Rae (2 episodes, 2005-2007)
(2 episodes, 2005)
Captain Marvin Casey (2 episodes, 2009)
James Kopp (2 episodes, 2008-2009)
Nelson Serrano (2 episodes, 2008-2009)
(2 episodes, 2008-2009)
Dr. Zachary Lysek (2 episodes, 2009-2010)
(2 episodes, 2004-2007)
Brian McCartin (2 episodes, 2005-2007)
Ruth Atkinson (2 episodes, 2004)
(2 episodes, 2005-2007)
Police Chief Gerry Hunt (2 episodes, 2009-2010)
(2 episodes, 2004-2005)
Asian roomate / Taiwanese daughter (2 episodes, 2005)
Detective Barry Golazeski (2 episodes, 2008-2010)
Craft Mart Manager (2 episodes, 2009)
(2 episodes, 2004)
Pam Kinamore (2 episodes, 2008-2009)
Ashley Armanta (2 episodes, 2009-2010)
Marianne Stam (2 episodes, 2009-2010)
(2 episodes, 2009)
Dona Cantrell (2 episodes, 2009)
Alice Williams / Nun (2 episodes, 2009-2010)
(2 episodes, 2004-2009)
Selina Shen (2 episodes, 2003-2004)
Cary Stayner / Dan Brown (2 episodes, 2007)
Antwan Lewis / Buffalo Detective (2 episodes, 2009-2010)
Dale Housner / Robert Berry (2 episodes, 2009-2010)
Police Chief Bill Lane / Russell Armbrust (2 episodes, 2010)
Sister (2 episodes, 2003-2004)
Phoenix Police Officer / Police Officer (2 episodes, 2009-2010)
George Lindholm / Parking Lot Manager (2 episodes, 2009)
Buffalo Detective / Keary Renner (2 episodes, 2009-2010)
Christopher Davidson Jr (2 episodes, 2009-2010)
Phil Dosso / Tim Curtis (2 episodes, 2007-2009)
Dennis Malvasi / Terry Driver's Lawyer (2 episodes, 2008-2010)
Betty Steinhauser / Forensics Technician (2 episodes, 2009-2010)
Goth (2 episodes, 2003-2008)
Self - Special Agent ATF (2 episodes, 2007-2009)
Alan Mackerley (1 episode, 2004)
John Hamilton (1 episode, 2004)
Danny Rolling (1 episode, 2004)
Andrea Atkinson (1 episode, 2004)
Christina Powell (1 episode, 2004)
Michael Slover Jr. (1 episode, 2004)
Lisa Costello / Mia Giordano (1 episode, 2004)
Rui Web Pan (1 episode, 2004)
Johnny Carlos Terceira (1 episode, 2004)
Susan Hamilton (1 episode, 2004)
Luda Petashanko (1 episode, 2005)
Steve Smith (1 episode, 2005)
Alan Ankers (1 episode, 2005)
(1 episode, 2005)
(1 episode, 2007)
David Snow (1 episode, 2007)
(1 episode, 2008)
Derrick Todd Lee (1 episode, 2009)
(1 episode, 2009)
John Orr (1 episode, 2009)
Ronald Rudin (1 episode, 2009)
Det. Joe Greco (1 episode, 2010)
Dr. Carol Ritter (1 episode, 2010)
Misty Cockerill (1 episode, 2010)
Frank Black (1 episode, 2004)
(1 episode, 2004)
Jeanette Slover (1 episode, 2004)
Detective Rick Gauthier (1 episode, 2004)
Larry Edgar (1 episode, 2004)
Detective Knopps (1 episode, 2009)
(1 episode, 2010)
Detective Tim Barge (1 episode, 2010)
Tanya Smith (1 episode, 2010)
Brandon Bloss (1 episode, 2010)
Jack the Ripper (1 episode, 2003)
Self (1 episode, 2003)
Tracy Paules (1 episode, 2004)
Michael Slover Sr. (1 episode, 2004)
Eric Richardson (1 episode, 2004)
Jin Ho Jong (1 episode, 2005)
David Krumer (1 episode, 2005)
John Lee Malvo (1 episode, 2007)
Jim Hutchinson (1 episode, 2007)
Self (1 episode, 2008)
Special Agent Brown (1 episode, 2009)
ATF Agent April Carroll (1 episode, 2009)
Det. Clark Schwartzkopf (1 episode, 2010)
Dana Sue Gray (1 episode, 2010)
Detective Bob Gray (1 episode, 2010)
Michelle Hetzel (1 episode, 2010)
Self (2 episodes, 2009-2011)
FBI Agent (1 episode, 2004)
Kolten Slover (1 episode, 2004)
Alexander Gabay (1 episode, 2005)
Kyu Soo Kim (1 episode, 2005)
Alex Seifert (1 episode, 2008)
Phil Ramos (1 episode, 2009)
Det. Mark Cordova (1 episode, 2010)
Claudia Gutierrez-Cruz (1 episode, 2010)
Sergeant Kevin MacLeod (1 episode, 2010)
William Charles Lewis (1 episode, 2010)
Karyn Slover (1 episode, 2004)
Hea Song (1 episode, 2005)
Oxana (1 episode, 2005)
Carole Sund (1 episode, 2007)
Nancy Blackburn (1 episode, 2007)
Jogger (1 episode, 2008)
Richard Walter (1 episode, 2009)
Devon Guzman (1 episode, 2010)
Charlie White (1 episode, 2010)
Pamela Constable (1 episode, 2005)
Olyana (1 episode, 2005)
Juli Sund (1 episode, 2007)
Ian Blackburn (1 episode, 2007)
David Payton (1 episode, 2007)
Trineisha Dene Colomb (1 episode, 2009)
Richard Old (1 episode, 2009)
Dr. Pheobe Kelso (1 episode, 2010)
Scott Seabrook (1 episode, 2005)
Mher Hykopyan (1 episode, 2005)
Silvina Pelosso (1 episode, 2007)
Samuel Appleton (1 episode, 2007)
Officer Paul Chaytor (1 episode, 2008)
Prostitute (1 episode, 2009)
Self (1 episode, 2009)
Dr. Asen (1 episode, 2010)
Elissa Mayo (1 episode, 2010)
Rosa Lewis (1 episode, 2010)
Sergei Mezerhitzky (1 episode, 2005)
Arpine Karapetian (1 episode, 2007)
Joie Armstrong (1 episode, 2007)
Rose Appleton (1 episode, 2007)
Linda Yates (1 episode, 2009)
Roger Matson (1 episode, 2005)
Alison Shaw (1 episode, 2007)
Bill Sorukas (1 episode, 2007)
George Vine (1 episode, 2010)
Self - Forensic Psychiatrist (1 episode, 2010)
Ricci Cooksey (1 episode, 2010)
Leyla (1 episode, 2005)
Darris Shaw (1 episode, 2007)
Leslie Engh (1 episode, 2008)
Laurie Wason (1 episode, 2009)
Dorinda Hawkins (1 episode, 2010)
Antonio Stephney (1 episode, 2010)
Armenian Mike (1 episode, 2005)
Vanessa Armstrong (1 episode, 2007)
Victim Jane (1 episode, 2007)
Shirley (1 episode, 2008)
Undercover Police (1 episode, 2009)
Funeral Home Assistant (1 episode, 2009)
Woman in flower shop (1 episode, 2009)
Cynthia Rolle (1 episode, 2010)
June Roberts (1 episode, 2010)
Rob Guzman (1 episode, 2010)
Madam Svetlana (1 episode, 2005)
Victim Betty (1 episode, 2007)
Special Agent Mary Ellen O'Toole (1 episode, 2009)
Shawn Johnson (1 episode, 2009)
Dora Beebe (1 episode, 2010)
Randy Bennett (1 episode, 2007)
Old Widow (1 episode, 2007)
Julian Hopper (1 episode, 2007)
Various Roles (1 episode, 2008)
Ronald Wylie (1 episode, 2008)
Melody Murfin (1 episode, 2009)
Norma Davis (1 episode, 2010)
Conrad Johnson (1 episode, 2007)
Jennifer Joseph (1 episode, 2009)
Sue Lyles (1 episode, 2009)
Last Victim (1 episode, 2007)
Loretta Marra (1 episode, 2008)
Girlfriend (1 episode, 2008)
Roommate (1 episode, 2009)
Reporter (1 episode, 2009)
Dancer (1 episode, 2008)
Killer (1 episode, 2003)
Victim (1 episode, 2003)
2003 (1 episode, 2003)
Perpetrator (1 episode, 2003)
Self (1 episode, 2004)
Kevin Burnett (1 episode, 2004)
ATF Agent (1 episode, 2005)
Janitor (1 episode, 2005)
Lawyer (1 episode, 2005)
Sniper (1 episode, 2007)
Witness (1 episode, 2007)
Self - U.S. Marshals Service (1 episode, 2007)
Housekeeper (1 episode, 2007)
Richard Jewel (1 episode, 2007)
Self (1 episode, 2007)
Self - Special Agent, FBI (1 episode, 2007)
Self - Special Agent, FDLE (1 episode, 2007)
Self - Charlotte County Sherrif's Office (1 episode, 2007)
Self - Commander, Montgomery County Police Department (1 episode, 2007)
Self - Firearm and Toolmark Examiner (1 episode, 2007)
Self - Former Associate (1 episode, 2007)
Self - Former Chief Montgomery County Police (1 episode, 2007)
Self - Medical Examiner, Charlotte County (1 episode, 2007)
Self - Montgomery County Police (1 episode, 2007)
Daniel Rudolph (1 episode, 2007)
Nishan Bakunts (1 episode, 2007)
Priest (1 episode, 2007)
Matthew Trecker (1 episode, 2008)
Lt Tyler Truby (1 episode, 2008)
Bank Manager (1 episode, 2009)
Self - FBI Special Agent (1 episode, 2009)
Self - Criminal Psychologist (1 episode, 2009)
Self - Author (1 episode, 2009)
Newspaper Boss (1 episode, 2009)
Francisco Serrano (1 episode, 2009)
Sketch Artist (1 episode, 2009)
Cleaner Eye Witness (1 episode, 2009)
Self - Erie County Sheriff's Office (1 episode, 2009)
High School Student (1 episode, 2009)
Charles Barbee (1 episode, 2009)
Alvaro Penherrea (1 episode, 2009)
Self - Homicide Divison, Baton Rouge (1 episode, 2009)
Self - DNA Technical Leader (1 episode, 2009)
Self - New York State Police (1 episode, 2009)
Self - Erie County Forensics Examiner (1 episode, 2009)
Hotel Clerk (1 episode, 2009)
Glen Woods (1 episode, 2010)
Forensic Tech #2 (1 episode, 2010)
Self - Lead Detective (1 episode, 2010)
Charlies Golfing Buddy (1 episode, 2010)
Self (1 episode, 2010)
Crime suspect (1 episode, 2010)
Pathologist (1 episode, 2010)
Shannon Walajtys (1 episode, 2010)
Hairstylist (1 episode, 2010)
Doctor (1 episode, 2010)
Wrench woman (1 episode, 2010)
Manicurist (1 episode, 2010)
Waitress #1 (1 episode, 2010)
George Evenden (1 episode, 2010)
Maintenance Man (1 episode, 2010)
Jason - Dana Sue's Kid (1 episode, 2010)
Young Charlie (1 episode, 2010)
George Patisso (uncredited) (1 episode, 2009)
Charlie's Main Girl (uncredited) (1 episode, 2010)