Characters in The clue in the jewel box

Nancy Drew

A young amateur sleuth and the series' central detective, investigating a case involving an antique jewel box.

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

Sister Katherine

One of Nancy's friends who assists her in solving the mystery; she is the one who first notices the clue about the jewels and their hidden meaning.

Carson Drew

Also in The Secret of the Old Clock, The Hidden Staircase, The Mystery at Lilac Inn, The Secret at Shadow Ranch, The Secret of Red Gate Farm, Password to Larkspur Lane, The Message in the Hollow Oak, The Clue of the Tapping Heels, The Mystery of the Brass Bound Trunk, The mystery at the moss-covered mansion

Queen Madame Alexandra

Bess Marvin

Also in The Secret of Red Gate Farm, The Message in the Hollow Oak, The Haunted Bridge, The Clue of the Tapping Heels, The Mystery of the Brass Bound Trunk, The Secret in the Old Attic, The Mystery of the Tolling Bell, April Fools Day, The Clue of the Leaning Chimney, The Secret of the Wooden Lady

George Fayne

Also in The Secret of Red Gate Farm, The Message in the Hollow Oak, The Haunted Bridge, The Clue of the Tapping Heels, The Mystery of the Brass Bound Trunk, The Secret in the Old Attic, The Mystery of the Tolling Bell, April Fools Day, The Clue of the Leaning Chimney, The Secret of the Wooden Lady