Characters in The Secret of the Old Clock

Nancy Drew

Also in 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, The Sign of the Twisted Candles

Carson Drew

Also in 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, The clue in the jewel box

Hannah Gruen

Also in 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, The Clue of the Leaning Chimney

Ada Topham (The Secret of the Old Clock)

Helen Corning / Helen Archer

Also in The Hidden Staircase, The Bungalow Mystery, The Mystery at Lilac Inn, Password to Larkspur Lane

Isabel Topham

Richard Topham

Henry Rolsted

Edna Turner

Fred and William Mathews

Abigail Rowen

Jeff Tucker

Mary Turner (The Secret of the Old Clock)

Judy (The Secret of the Old Clock)

Captain Runcie

Two thieves (The Secret of the Old Clock)

Judge Hart

Allison and Grace Hoover

Signor Mascagni

Archimedes (Goodreads)

Elton (The Secret of the Old Clock)