Infamous burglar "The Bat" commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile, Cornelia Van Gorder has various people arrive at her old mansion, including her niece, Dale, a bank employee, and police detective Anderson. When guests start turning up dead, Cornelia begins to suspect that The Bat may be lurking around the estate.
Unfortunately the movie The Bat Whispers is not yet available on HBO Max.
| Directing | Roland West | Director |
| Writing | Avery Hopwood | Theatre Play |
| Writing | Roland West | Writer |
| Costume & Make-Up | S.E. Jennings | Makeup Artist |
| Production | Joseph M. Schenck | Producer |
| Art | Paul Crawley | Set Decoration |
| Writing | Mary Roberts Rinehart | Theatre Play |
| Directing | Roger Heman Sr. | Assistant Director |
| Editing | James Smith | Editor |
| Editing | Hal C. Kern | Editor |
| Camera | Robert H. Planck | Director of Photography |
| Production | Helen Hallett | Production Manager |
| Camera | Ray June | Director of Photography |
| Sound | Oscar Lagerstrom | Sound |
