Characters in The spider sapphire mystery

Nancy Drew

Also in The Secret of the Old Clock, The Hidden Staircase, The Bungalow Mystery, Together with the Hardy Boys, The Mystery at Lilac Inn, The Secret at Shadow Ranch, The Secret of Red Gate Farm, The Clue in the Diary, Nancy Drew, Girl Detective, Nancy's Mysterious Letter

Ned Nickerson

Also in Together with the Hardy Boys, The Mystery of the Brass Bound Trunk, The Secret of the Wooden Lady, The Mystery at the Ski Jump, The phantom of Pine Hill, Mystery of the Glowing Eye, Race against time

Hannah Gruen

Also in The Secret of the Old Clock, The Hidden Staircase, The Bungalow Mystery, The Mystery at Lilac Inn, The Secret at Shadow Ranch, Password to Larkspur Lane, The Message in the Hollow Oak, The Clue of the Tapping Heels, The Mystery of the Brass Bound Trunk, The Secret in the Old Attic

Burt Eddleton

Also in The Mystery at the Ski Jump, The phantom of Pine Hill

Dave Evans

Also in The phantom of Pine Hill

Mrs. Nickerson

Mr. Nickerson (Nancy Drew)

Floyd Ramsey

Officer Orton

Mr. Sand

Miss Hanson (The Bungalow Mystery)

Also in The Bungalow Mystery