| Designed & Written by: | Lee Sheldon |
| AWE Games | |
| Project Director: | Scott Nixon |
| Lead Programmer / Engine Development: | Jamie Nye |
| Art Director: | Chad Read |
| Executive Producer: | James Wheeler |
| Lead Character Animator: | Mike Niedda |
| Artists: | Andy Seredy |
| Cole Eastburn |
| Additional Programming: | Les Bird |
| Keith Verity |
| Additional Writing: | Scott Nixon |
| Additional Animation: | Craig Kelly |
| Additional Art: | Shadows in Darkness |
| Cutscene Animation: | Reel Normal Corp. |
| Associate Producer: | John Casamassina |
| Original Music: | Scott Nixon |
| Sound FX: | Trevor Talbird |
| Additional Music / Sound FX: | Sound Ideas |
| Juan Gallo |
| Special Thanks: | Mark Bradshaw |
| Aaron Runion |
| Mike Dubose |
| Chris Remy |
| Paul Denson |
| Robert Hume |
| The Adventure Company | |
| Executive Producer: | Robert Stevenson |
| Producer: | Mike Adams |
| Product Marketing Manager (North America): | Lorraine Lue |
| Product Manager EMEA: | John Gordon |
| Marketing Director EMEA: | Simon Vivien |
| Marketing Manager Germany: | Christian Streil |
| Marketing Manager France: | Christine Pestel |
| Product Manager UK: | Deane Punter |
| Product Manager Italy: | Fabio Cerutti |
| Product Manager Spain: | Carlos Mateo |
| Marketing Artistic Director Europe: | Odile Mousseau |
| Assistant Product Marketing Manager (North America): | Chris Nesbitt |
| Lead Illustrator: | Russell Challenger |
| Graphic Designers: | Jay Kinsella |
| Esther Sucre |
| Ed Hatim |
| North American PR Manager: | Tara Reed |
| PR Coordinator: | Duane Brown |
| Localization Dept: | Christine Gerviilie |
| Yann Tisseyre |
| Thomas Neveu |
| QA Manager: | Mike Adams |
| QA Lead: | Dan Dawang |
| Testers: | Anthony Finelli |
| Adrian Miller |
| Jeremy Norel |
| Vasso Kontoulis |
| Chantal Mauro |
| Krystal Moon |
| Christos Andrikakis |
| Suzanne Macgillivray |
| Johnny Chenh |
| Web Site (www agathachristiegame.com): | Ryan Andal |
| Legal & Business Development: | Leslie Rosenthal |
| Robert Stevenson |
| VP Product Development & Acquisitions: | Robert Stevenson |
| VP Marketing: | Marshall Zwicker |
| President and CEO: | Richard Wah Kan |
| Script Editor: | Steve Ince |
| Streko Graphics | Sergey Nartovich |
| Andrey Nartovich |
| Sergei Maskinskov |
| Andrei Ovsyannikov |
| Igor Podmogilnikov |
| Oksana Babeshko |
| Vladimir Malakhovsky |
| Olga Lebed |
| Evgeniy Lebed |
| Voice Over Recording & Editorial by Soundelux: | Design Music Group |
| Voice Over Business Manager: | William «Chip» Beaman |
| Voice Over Coordinators: | Jacquie Shriver |
| Shannon Potter |
| Casting Director: | Keythe Farley |
| Voice Over Directors: | Keythe Farley |
| Mike Adams |
| Recording Engineers: | Elliot Anders |
| Krandal Crews |
| Voice Over Editors: | Clint Richardson |
| Mark Camperell |
| Brad Beaumont |
| Production Assistant: | Justin Langley |
| Interns: | Patrick Ginn |
| Xavier Horan |
| Voice Over Actors | |
| Patrick Narracott/the Harbormaster: | Nolan North |
| Vera Claythorne/Mother: | Tina Payne |
| Phillip Lombard/Fred Faine: | Greg Ellis |
| Emily Brent/Ethel Rogers: | Carolyn Seymour |
| Judge Wargrave/U.N. Owen: | Philip Clark |
| Dr. Edward Armstrong/Anthony Marston: | Peter Lavin |
| Thomas Rogers/General Mackenzie: | Ian Abercrombie |
| William Blore: | Neil Dickson |
| Chorion PLC | |
| Crime Business Manager: | Tamsen Harward |
| Administrator: | Elaine Wiltshire |
| Chairman of Agatha Christie Ltd: | Mathew Prichard |
| Kohnke Communications | |
| PR Reps: | Chris Clarke |
| Alicia Kawamura |
| Robin John Rosales |
| President: | Erica Kohnke Kain |
| Enzyme Testing Labs: | Emmanuel Viau |
| Yan Cyr |
| Guy Demers |
| Martine Boivert |
| Serge Handfield |
| Guillaume Jolicoeur |
| Alexandre Lebel |
| Alexandre Phanor |
| Jean-Mathieu Foisy |
| Philippe Emond |
| Mélanie Labonté |
| Special Thanks: | Renata Richardson |
| Annette Beauchamp |
| Byron Gaum |
