Jesse Temple

Self (as Sgt. Temple) (archive audio)

Brad Katinas

Self (archive audio)

Diane Schuler

Self (archive footage)

Jay Schuler

Self – Diane's Sister-in-Law

Michael Realmuto

Self (as Capt. Michael Realmuto) (archive footage)

Daniel Schuler

Self – Diane's Husband

Jimmy Schuler

Self – Daniel's Brother & Jay's Husband

Warren Hance

Self – Diane's Brother (archive audio)

Dominic Barbara

Self – Schuler Attorney

Evan Schuler

Self – Jay's Son

Ann Scott

Self – Owner, Hunter Lake Campground

James Boyle

Self – Investigator, New York State Police

Joseph Becerra

Self – Investigator, New York State Police

Michael E. Archer

Self – Accident Reconstructionist

Bryan Schuler

Self – Sole Survivor of Accident

Roseann Guzzo

Self – Guy Bastardi's Sister

Margaret Nicotina

Self – Guy Bastardi's Sister

Joseph Longo

Self – Daniel Longo's Brother

Gerald Salerno

Self – Witness

Francis Bagley

Self – Witness

Jean Bagley

Self – Witness

Kristine Puvogel

Self – Diane's Childhood Friend

Michelle Federlein

Self – Diane's Childhood Friend

Nicole Messina

Self – Diane's Childhood Friend

Harold Bursztajn

Self – Forensic Psychiatrist, Harvard Medical School

Irene Schuler

Self – Daniel's Mother

Joseph Schuler

Self – Daniel's Father

Sue Troccoli

Self – Diane's Coworker

Noreen Smyth

Self – Diane's Friend

Oprah Winfrey

Self (archive footage)

Tom Ruskin

Self – Private Investigator (voice)

Steve Fishman

Self – Journalist, New York Magazine

Christine Lipani

Self – Diane's Best Friend

Kenneth J. Cano

Self – Zone Sergeant, New York State Police

Betsy Spratt

Self – Director of Toxicology, Westchester County

Carol Weiss

Self – Addiction Psychiatrist, Weill Cornell Medical College

Peter Royal

Self – Witness

Elaine Royal

Self – Witness

Peter Grotto

Self – Witness

Emily Friedberg

Self – Witness

Richard Morel

Self – Witness

Lorna Ramos-Morel

Self – Witness

Werner Spitz

Self – Medical Examiner

Edward Blaikie

Self – Witness

Kevin Martz

Self – Witness

Joseph LaGrippo

Self – Former Chief, Hawthorne Fire Department

Liz Garbus

Self – Interviewer (voice)