A ghost helps the Bowery Boys capture a gang of crooks led by a mad doctor.
| Actor | Role |
|---|---|
 Leo GorceyTerence Aloysius 'Slip' Mahoney | Terence Aloysius 'Slip' Mahoney |
 Huntz HallHorace Debussy 'Sach' Jones | Horace Debussy 'Sach' Jones |
 Lloyd CorriganEdgar Alden Franklin Smith | Edgar Alden Franklin Smith |
 Lela BlissMargo | Margo |
 Philip Van ZandtDr. Basil Granville | Dr. Basil Granville |
 Bernard GorceyLouie | Louie |
 William BenedictWhitey | Whitey |
| BBuddy GormanButch | Butch |
 David GorceyChuck | Chuck |
| JJan KayneCynthia | Cynthia |
 Argentina BrunettiMrs. Parelli | Mrs. Parelli |
 Marshall BradfordProfessor Krantz | Professor Krantz |
 Robert CooganJack Eagan | Jack Eagan |
 Michael RossGus | Gus |
 Bess FlowersSeance Guest (uncredited) | Seance Guest (uncredited) |