George Kittredge is Tracy Lord's wealthy fiancé, whom she plans to marry at the beginning of the story. After seeing Mike carry Tracy into the house following her midnight swim, he demands an explanation. Tracy realizes he loves an idealized version of her and cancels their engagement.
Gina's husband and expedition leader who seeks the legendary Cave of the Dead. He recruits Pete, hires Lino, and ventures into the cave where he is trapped by a flood and suffers a broken back. He warns his companions about the parasitic fungus monsters before succumbing to his injuries.
Sealab scientist who discovers that the hatched monster carries an unidentifiable disease, raising concerns about a potential plague.
Freddie Scott is Jack Gordon’s co-pilot on the flight to San Francisco. When severe weather develops, he is persuaded to continue flying rather than immediately abandon the journey. His role becomes critical during the hijacking, because Curtis Palmer shoots him after taking control of the aircraft, leaving Jack to confront Palmer and recover the plane.
Conway's younger brother, who initially wants to escape Shangri-La. Skeptical of the valley's secrets, he descends into madness after Maria's death and ultimately jumps to his death.
Tenacious adventurer investigating a coded treasure map and kidnapping.
British adventurer and amateur detective known for bravery and resourcefulness
Eddie is an ice cream vendor and amateur performer on Colonel Edwards' radio show. His act with Marion Keller wins over the crowd, but sponsor Calvin Keller unexpectedly rings the gong. Jealous after learning Marion is engaged, Eddie parts ways with her, then is reunited with her for a later performance that steals the show.
Jimmy is a clerk at Amalfi's shoe store who sells Speedy a pair of shoes that hurt his feet. After Speedy blames him for a lost bet and gets him fired, Jimmy speaks out against crooked politicians and runs for office. He wins the election, is engaged to Sybil, and becomes entangled in the wedding-day fight over the shoes sent as a gift.
Ross is the doctor who invented the experimental serum intended to cure a fatal blood disease. After the prison tests are abandoned, he works with Lt. Joan McKenna to investigate why Barry Morgan reacted violently during the experiment. His pursuit of Morgan leads him to Lake Tahoe, where he and Joan uncover the connection between Morgan, Ethel Ganz, and the prison escape.
Brave British detective and adventurer, central hero of the collection.
Jim is a Texas Ranger who goes undercover as the outlaw Pecos Kid to infiltrate the rustlers. Hired by packing-company owner Joe Yuma, he discovers that Joe is slaughtering Dangerfield cattle and works with his partner Mace to uncover the syndicate. He returns to the ranch during the attack and plans to marry Ellen.
John Howard has 68 screen credits in a career dating back to 1935. Their work spans 3 cinematic universes — most prominently Bulldog Drummond (John Howard) Collection with 7 titles. Signature works include The Unknown Terror, Experiment Alcatraz, Submarine Raider. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 3 universes
Related entry on Wikidata (Q3181785), public domain (CC0).
