When Jenn's old pal Sandra becomes the prime suspect in a murder case, it'll be up to her to discover who done it before time runs out.
Unfortunately the movie Garage Sale Mystery: Guilty Until Proven Innocent is not yet available on HBO Max.
| Production | Peter DeLuise | Executive Producer |
| Directing | Peter DeLuise | Director |
| Writing | Suzi Weinert | Novel |
| Writing | Walter Klenhard | Writer |
| Production | Lori Loughlin | Executive Producer |
| Production | Jackie Lind | Casting |
| Visual Effects | Barry Liu | Visual Effects Supervisor |
| Sound | Ryan Neill | Music Supervisor |
| Costume & Make-Up | Kara Alaric | Key Hair Stylist |
| Editing | Richard Schwadel | Editor |
| Crew | Mike Crestejo | Stunt Coordinator |
| Art | Jill Scott | Production Design |
| Sound | Terry Frewer | Original Music Composer |
| Crew | Brett Armstrong | Stunt Coordinator |
| Art | Mark Boyko | Set Decoration |
| Sound | Angelo Nicoloyannis | Sound Editor |
| Production | Harvey Kahn | Producer |
| Camera | Paul Mitchnick | Director of Photography |
| Production | Allen Lewis | Supervising Producer |
| Production | Katy Garretson | Supervising Producer |
| Production | Marnie Termuende | Supervising Producer |
| Production | Michael Shepard | Executive Producer |
| Production | Jonathan Axelrod | Executive Producer |
| Production | Alan Ett | Executive Producer |
| Production | Harvey Kahn | Executive Producer |
| Directing | Bill Mizel | First Assistant Director |
| Directing | Catherine Kretz | Second Assistant Director |
| Production | Dawn Knight | Associate Producer |
| Production | Allen Lewis | Production Manager |
| Costume & Make-Up | Tanya Lipke | Costume Designer |
| Costume & Make-Up | Karen van Es | Assistant Costume Designer |
| Costume & Make-Up | Christina Knox | Costume Set Supervisor |
| Costume & Make-Up | Irena Hoti | Costume Set Supervisor |
| Costume & Make-Up | Jennifer Maarsman | Truck Costumer |
| Art | Cherie Kroll | Art Direction |
| Art | Sheldon Feyter | Assistant Set Decoration |
| Art | Ryan Casey | Set Dresser |
| Art | Judson Pooyak | Assistant Property Master |
| Art | Courtney Sjogren | Props |
| Costume & Make-Up | Courtney Frey | Key Makeup Artist |
| Costume & Make-Up | Amanda Imeson | Assistant Makeup Artist |
| Costume & Make-Up | Ashley Young | Assistant Hairstylist |
| Production | Kit Hayward | Extras Casting |
| Production | Amy Tinkskou | Extras Casting Assistant |
| Camera | Keith Thomson | "A" Camera Operator |
| Camera | Mark Cooper | First Assistant "A" Camera |
| Camera | Tegan Kolodinski | Second Assistant "A" Camera |
| Camera | Harvey LaRocque | "B" Camera Operator |
| Camera | Richard Dalgleish | First Assistant "B" Camera |
| Camera | Quinton Lai | Second Assistant "B" Camera |
| Camera | Bettina Strauss | Still Photographer |
| Sound | Sebastian Salm | Production Sound Mixer |
| Sound | Paul Novokshonoff | Boom Operator |
| Lighting | Tyler Walzak | Gaffer |
| Lighting | Poya Reisi | Best Boy Electric |
| Camera | Ty Klassen | Best Boy Grip |
| Crew | Randy Rohrback | Generator Operator |
| Camera | Mark H.W. Park | Key Grip |
| Camera | Corey Tremblay | Dolly Grip |
| Directing | Kevin Royce | Third Assistant Director |
| Production | Yale Kussin | Production Coordinator |
| Production | Laura Obenaus | Assistant Production Coordinator |
| Production | Adrian Bojidar | Assistant Production Coordinator |
| Crew | Marnie Termuende | Production Controller |
| Production | Svatia Sakarova | Accountant |
| Production | Anna McMurtry | Production Accountant |
| Production | Milanpreet Grewal | Assistant Accountant |
| Production | Michael Farias | Location Manager |
| Production | Kelsey Fonda | Assistant Location Manager |
| Directing | Holly Atchison | Script Supervisor |
| Crew | Darcy Davis | Special Effects Coordinator |
| Crew | Kam Dhesi | Transportation Coordinator |
| Crew | Bridget Beall | Craft Service |
| Crew | Dawn Knight | Post Production Supervisor |
| Production | Sepideh Merchant | Post Production Coordinator |
| Editing | David Grave | Assistant Editor |
| Editing | Revan P. Caluya | Assistant Editor |
| Editing | Jimmy Hsu | Colorist |
| Editing | Jay Harada | Online Editor |
| Editing | Kevin Reid | Online Editor |
| Editing | Shaun Lang | Online Editor |
| Sound | Greg Stewart | Sound Re-Recording Mixer |
| Sound | Angelo Nicoloyannis | Sound Re-Recording Mixer |
| Sound | Jeff Jackman | Sound Designer |
| Sound | Roger Morris | Dialogue Editor |
| Sound | Rick Senechal | Sound Engineer |
| Sound | Ian Mackie | Foley Artist |
| Sound | Bonnie Lambie | Foley Artist |
| Sound | Valerie Biggin | Music Supervisor |
