Characters in Mystery Train

Main characters

• Frank Hardy

  Also in A Crime for Christmas, Dangerous Games, The Paris Connection, Buried in Time, New Year's Evil, Spies and Lies, Hits and Misses, Evil in Amsterdam, Copper Canyon Conspiracy, Danger Down Under

• Joe Hardy

  Also in A Crime for Christmas, Dangerous Games, The Paris Connection, Buried in Time, New Year's Evil, Spies and Lies, Hits and Misses, Evil in Amsterdam, Copper Canyon Conspiracy, Danger Down Under

• Nancy Drew

  Also in Double Crossing, A Crime for Christmas, Shock Waves, Dangerous Games, The Paris Connection, Buried in Time, High Survival, New Year's Evil, Spies and Lies, Tropic of Fear

• The Hardy Boys

  Also in A Crime for Christmas, Shock Waves, The Paris Connection, Buried in Time, Hits and Misses, Evil in Amsterdam, Desperate Measures, Hollywood Horror, Danger Down Under, Dead on Arrival