Executive attending corporate board meetings.
Driver or passenger in a police vehicle.
Uncredited medical examiner investigating the strange throat marks on victims.
Vessel crew member managing passenger transport and safety.
A secretary appearing briefly in the professional environment.
J. Westly Arnold hires Hop Harrigan and Tank Tinker to transport inventor Dr. Tobor to his secret laboratory. His commission brings the pilots into the conflict surrounding Tobor's powerful energy machine and the criminals who seek to take it for their own purposes.
Thomas Vance runs a local plantation and is Julie Vance's father. He joins Julie and her boyfriend Roy in visiting Webb Fallon after a series of strange, blood-drained murders, despite their disbelief in the vampire rumors. The plot places him among the people investigating the threat, but gives no further specific actions for him.
Official examining bodies linked to Kharis's attacks.
Local figure or suspect connected to the chemical murders.
The family butler. Constantly tormented by Roberta, he locks her in her room after a fire and tracks her down. He is falsely imprisoned for manslaughter due to her crash, but is later cleared when she confesses.
Minor figure in the aviation race plot.
Station manager or official involved in the espionage plot.
Emmett Vogan has 269 screen credits in a career dating back to 1934. Their work spans 27 cinematic universes — most prominently Charlie Chan (Sidney Toler) Collection with 3 titles. Signature works include The Greener Hills, Forgotten Treasure, Empty Holsters. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 27 universes
Related entry on Wikidata (Q5373573), public domain (CC0).
