The Great Pikachu Detective

Basil - Pikachu

Professor Ratigan - Raticate

Olivia Flaversham - Pichu

Major Dr. David Q. Dawson - Marill

Fidget - Golbat

Hiram Flaversham - Raichu

Miss Kitty Mouse - Pikachu

Toby - Growlithe

Felicia - Purugly

Queen Mousetoria - Azumarill