| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bryan Foy | Crew | Production | Producer |
 Frank Magee | Crew | Editing | Editor |
Heinz Roemheld | Crew | Sound | Music |
Kenneth Gamet | Crew | Writing | Screenplay |
L. William O'Connell | Crew | Camera | Director of Photography |
Lester D. Guthrie | Crew | Directing | Assistant Director |
 Mildred Wirt Benson | Crew | Writing | Story |
Milo Anderson | Crew | Costume & Make-Up | Costume Design |
Stanley Fleischer | Crew | Art | Art Direction |
Stanley Jones | Crew | Sound | Sound |
 William Clemens | Crew | Directing | Director |
John Langan | Crew | Writing | Dialogue |
Carolyn Keene | Crew | Writing | Story |
 Edward Stratemeyer | Crew | Writing | Novel |
 Betty Jane Graham | Cast | Actress | Brinwood Student (uncredited) |
 Bonita Granville | Cast | Actress | Nancy Drew |
 Brandon Tynan | Cast | Actor | Dr. Raymond 'Ray' Spires (uncredited) |
 Charles Trowbridge | Cast | Actor | Hollister |
Cliff Saum | Cast | Actor | Farmer (uncredited) |
 Edward Keane | Cast | Actor | Adam Thorne |
 Frank Orth | Cast | Actor | Captain Tweedy |
 Frankie Thomas | Cast | Actor | Theodore 'Ted' Nickerson |
Helena Phillips Evans | Cast | Actress | Mary Eldredge |
 Jack Mower | Cast | Actor | Radio Station Technician (uncredited) |
 James Stephenson | Cast | Actor | Challon |
Joanne Tree | Cast | Brinwood Student with Black Hat (uncredited) | |
 John Litel | Cast | Actor | Carson Drew |
 John Ridgely | Cast | Actor | Radio Station Technician (uncredited) |
Lottie Williams | Cast | Actress | Mrs. Ray Spires (uncredited) |
 Mae Busch | Cast | Actress | Miss Tyson, the Nurse |
 Renie Riano | Cast | Actress | Effie Schneider, Drew's Maid |
 Stuart Holmes | Cast | Actor | Telegrapher (uncredited) |
 Tom Wilson | Cast | Actor | Brennan, the Gate Guard (uncredited) |
 Tommy Bupp | Cast | Actor | Spud Murphy (uncredited) |
 Vera Lewis | Cast | Actress | Miss Van Deering (uncredited) |
| Person | Type | Job | Role(s) |
