Hauptcharaktere: Professor Hershel Layton - Luke Triton - Emmy Altava - Jean Descole - Inspektor Clamp Grosky - Dr. Clark Triton - Brenda Triton - Arianna Barde - Tony Barde/Seamus - Polizeipräsident Levin Jakes - Der schwarze Rabe
Rosa Grimes - Doland Noble - Inspektor Chelmey - Barton - Oma Enygma - Crow - Marilyn - Roddy - Archie - Willy - Veronica - Louis Shackwell - Lucky - Rocket - Aldus - Charlie - Jasmin - Bucky - Finn - Beth - Greenley - Clarence - Joe - Molly - Marion - Brian - Hugo - Dominica - Paddy - Brocco - Tante Toffi - Shackwell - Grames - Goosey - Mimi Grames - Hans Jakes - Milla - Yamada - Sean - Olga - Chickley - Sebastian - Cornelius - Chappy - Hannah - Mick - Colby - Monica - Thomas - Nate - Duncan - Ingenieur - Naiya - Bobby - Bram - Gent - Nordic - Inspektor Gilbert - Junge - Evan Barde