Gabby Petito as Gabby Petito: Self - Murder Victim (archive Footage)

Brian Laundrie as Self - Gabby's Fiancé (archive Footage)

Joe Petito as Self - Gabby's Father

Nicole Schmidt as Self - Gabby's Mother

Jim Schmidt as Self - Gabby's Stepfather

Angie Angers as Self - Reporter, Bay 9 News Florida

Patricia McKnight as Self - Reporter, Sarasota Herald Tribune

Ali Stagnitta as Self - Reporter, Hollywood Life

Bevan Hurley as Self - Foreign Correspondent, The Independent

Brent Shavnore as Self - Social Media Sleuth

Steven Bertolino as Self - Laundrie Family Lawyer

Tara Petito as Self - Gabby's Stepmother

Pei-Sze Cheng as Self - Investigative Reporter, NBC 4

Riley Lively as Social Media Influencer

Joshua Barbour as Self - Host

Brent Blue as Self - Teton County Coroner (archive Footage)