Thora Birch Nichole Schmidt Director, Actor Skyler Samuels Gabby Petito Actor Evan Hall Brian Laundrie Actor Douglas Taurel Joe Petito Actor Monica Moore Smith Rose Actor Matisha Baldwin Agent Shaw Actor Samuel Whitten Jim Schmidt Actor Lonzo Liggins Officer #1 Actor Brian Kinney Officer 2 Actor Melanie Nelson Reporter Actor Nikki SooHoo Miranda Actor Aaron Groben John Actor Tyonne Chambers Friend Actor Jan Broberg Attorney Actor Dymone Priestley Produce Guy Actor Kimberly Houk Network Reporter Actor Gregory Small Screenwriter Richard Blaney Screenwriter Brian Nolan Producer Peter Sullivan Producer Barry Barnholtz Executive Producer Manu Boyer Executive Producer Jeffrey Schenck Executive Producer Eitan Almagor Cinematographer Randy Carter Film Editing Kevin Lax Original Music Lawrence Humphreys Production Design Molly Saito Art Director Nancy Cannon Costume Design Jennifer Buster Casting Dean E. Fronk Casting Donald Paul Pemrick Casting