Directed by
| William Clemens | ||
Writing Credits
| Kenneth Gamet | ... | (original screenplay) |
| Carolyn Keene | ... | (story "The Password to Larkspur Lane") |
Cast (in credits order) verified as complete
| Bonita Granville | ... | Nancy Drew | |
| John Litel | ... | Carson Drew | |
| James Stephenson | ... | Challon | |
| Frankie Thomas | ... | Ted Nickerson | |
| Frank Orth | ... | Captain Tweedy | |
| Helena Phillips Evans | ... | Mary Eldredge | |
| Renie Riano | ... | Effie Schneider | |
| Charles Trowbridge | ... | Hollister | |
| Dick Purcell | ... | Keiffer | |
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Edward Keane | ... | Adam Thorne (as Ed Keane) |
| Mae Busch | ... | Miss Tyson | |
| Rest of cast listed alphabetically: | |||
| Tommy Bupp | ... | Spud Murphy (uncredited) | |
| Betty Jane Graham | ... | Brinwood Student (uncredited) | |
| Stuart Holmes | ... | Telegrapher (uncredited) | |
| Vera Lewis | ... | Miss Van Deering (uncredited) | |
| Jack Mower | ... | Radio Station Technician (uncredited) | |
| John Ridgely | ... | Radio Station Technician (uncredited) | |
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Cliff Saum | ... | Farmer (uncredited) |
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Joanne Tree | ... | Brinwood Student with Black Hat (uncredited) |
| Brandon Tynan | ... | Dr. Raymond 'Ray' Spires (uncredited) | |
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Lottie Williams | ... | Mrs. Ray Spires (uncredited) |
| Tom Wilson | ... | Brennan, the Gate Guard (uncredited) | |
Produced by
| Bryan Foy | ... | producer (uncredited) |
Music by
| Heinz Roemheld | ... | (uncredited) |
Cinematography by
| L. William O'Connell | ... | (as L. Wm. O'Connell) (photography by) |
Editing by
| Frank Magee | ||
Art Direction by
| Stanley Fleischer | ||
Costume Design by
| Milo Anderson | ... | (gowns) |
Second Unit Director or Assistant Director
| Lester D. Guthrie | ... | assistant director (uncredited) |
Sound Department
| Stanley Jones | ... | sound |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
Music Department
| Max Steiner | ... | composer: stock music (uncredited) |
Additional Crew
| John Langan | ... | dialogue director |