The Secret of the Old Mill · Characters
Character guide
Key figures in The Secret of the Old Mill by Franklin W. Dixon.
Frank Hardy
major
Also known as Frank, Paul Blum, Blum
One of the teenage detective brothers, leading the investigation into counterfeit money.
Joe Hardy
major
Also known as Joe
The younger Hardy brother, brave and impulsive, aiding Frank in solving the mystery.
Chet Morton
supporting
Also known as Chet
A friend of the Hardy boys, often providing comic relief and loyal support.
Mr. Markel
major
Also known as Markel
A suspicious stranger involved in the counterfeit ring, often seen at the old mill.
Uncle Dock
supporting
Also known as Dock
An old mill owner who provides information and assistance to the Hardy boys.
Fenton Hardy
supporting
Also known as Fenton, Hardy, Mr. Hardy
The father of Frank and Joe, a renowned private detective guiding their case.
Jerry Gilroy
supporting
Also known as Jerry
A friend of the Hardy boys who helps them with their boat and adventures.
Lester
minor
Also known as the unconscious Lester
A henchman of the counterfeiters who is knocked unconscious during a chase.
Tony Prito
supporting
Also known as Tony
A friend of the Hardy boys who assists them in their investigations.
Con Riley
supporting
Also known as Riley, Officer Riley, Mr. Riley
A local police officer who works with the Hardy boys on the counterfeit case.
Mrs. Hardy
minor
Also known as Mother
The mother of Frank and Joe, supportive and caring at home.
Mr. Stummer
minor
Also known as Stummer
A local businessman who becomes a suspect in the counterfeit operation.
Mr. Moss
minor
Also known as Moss
A farmer who encounters the Hardy boys and provides clues about the mill.
Callie Shaw
minor
Also known as Callie
A friend of the Hardy boys, often accompanying them on social outings.
Miss Pollie Shaw
minor
Also known as Miss Shaw, Pollie, Pollie Shaw
Callie Shaw's aunt, who hosts a party and helps the boys with information.
Sleuth
minor
Also known as the Sleuth
The Hardy boys' motorboat, used in their water-based investigations.
Chief Collig
minor
Also known as Chief, Collig
The chief of police in Bayport, assisting in the counterfeit case.
Carl Stummer
minor
Also known as Stummer
A relative of Mr. Stummer, involved in the counterfeit scheme.
Kurt
minor
A henchman working for the counterfeiters, involved in the chase scenes.
Phil Cohen
minor
Also known as Phil
A friend of the Hardy boys who helps with their investigations.
Lieutenant Riley
minor
Also known as Riley
A police lieutenant involved in the counterfeit case, distinct from Officer Riley.
Burgess
minor
Also known as the mysterious Burgess
A mysterious figure briefly mentioned in connection with the counterfeit ring.
Biff Hooper
minor
Also known as Biff
A friend of the Hardy boys, known for his strength and loyalty.
MacBane
minor
A criminal associate of the counterfeiters, mentioned as a dangerous figure.
Detective Smuff
minor
Also known as Smuff
A bumbling detective who briefly appears in the investigation.
Mr. Wilkins
minor
A local man who reports a counterfeit bill to the police.