Directed by
| James A. FitzPatrick | ... | (uncredited) |
Cast (in credits order) complete, awaiting verification
| James A. FitzPatrick | ... | Self - Narrator (voice) | |
 |
George P. Vierheller | ... | Self (as Director of the St. Louis Zoo) |
Produced by
| James A. FitzPatrick | ... | producer |
Music by
| Joseph Nussbaum | ... | (uncredited) |
| Eric Zeisl | ... | (uncredited) |
Cinematography by
| Virgil Miller | ||
Music Department
| Nat W. Finston | ... | music supervisor (as Nat Finston) |
