Directed by
| Karl Brown | ||
Writing Credits
| Karl Brown | ... | (story and screenplay) |
Cast (in credits order)
| Ian Keith | ... | Dr. Julian Murray | |
| Tala Birell | ... | Dr. Sterne | |
| Ferdinand Gottschalk | ... | Dr. Fontaine | |
| Suzanne Kaaren | ... | Gloria Blank | |
| Lionel Pape | ... | Dr. Travis | |
| Rollo Lloyd | ... | The Colonel | |
| Teru Shimada | ... | Dr. Nogi (as Teru Shumada) | |
| Nigel De Brulier | ... | Father Gonzales (as Nigel de Brulier) | |
 |
Nina Campana | ... | Maria |
| Warner Richmond | ... | Burke | |
| Ferdinand Munier | ... | Sen. Blank | |
|
|
Harry Allen | ... | McKenzie |
| Don Barclay | ... | Miggs | |
| 'Snub' Pollard | ... | Baker (as Snub Pollard) | |
| Robert Warwick | ... | Capt. Parker | |
| Rest of cast listed alphabetically: | |||
| Sidney Bracey | ... | Yellow Fever Victim (uncredited) | |
| Ralph Byrd | ... | NCO Clerk (uncredited) | |
| Edward Peil Sr. | ... | Dr. Moore (uncredited) | |
| Jason Robards Sr. | ... | Kramer (uncredited) | |
| Robert Strange | ... | Planter (uncredited) | |
Produced by
| B.F. Zeidman | ... | producer |
Music by
| Hugo Riesenfeld | ||
Cinematography by
| Harry Jackson | ||
Editing by
| Duncan Mansfield | ||
Art Direction by
| Paul Palmentola | ... | (as Paul Paulmentola) |
Production Management
| Harold Lewis | ... | production manager |
Second Unit Director or Assistant Director
| Sidney Algier | ... | assistant director (as Sydney Algiers) |
Sound Department
| Karl Zint | ... | sound engineer (as Karl Zindt) |
Music Department
| Abe Meyer | ... | music supervisor (as Abe Meyers) |
| Hugo Riesenfeld | ... | musical director |
Additional Crew
| Edward L. Alperson | ... | presenter |
