Wealthy patron funding the archaeological expedition.
Warden Paul Long oversees Tommy Connors's imprisonment and initially rejects Joe Finn's attempt to obtain special treatment through bribery. He predicts that confinement will change Tommy, grants him a twenty-four-hour leave to see Fay Wilson, and faces public condemnation when Tommy leaves. He is preparing to resign when Tommy returns.
Everett Bradford is part of Arlene Bradford's family and recognizes that the telegram sent to Val Bradford is forged. He reveals that Arlene has been murdered, helping redirect the family's concern toward the danger facing Val and the possibility that the killer may be connected to the Bradford family.
Captain John Winslow commands the cruiser receiving the revolutionary firing control gear. He manages the installation, confronts the consequences of sabotage and two murders, and devises a trap to catch the culprit. His investigation leads to the powder magazine, where the final threat to the ship is stopped.
The casino owner and uncle to Lynn Llewellyn. He is suspected due to his poison books and secret heavy water lab, but Vance correctly identifies him as a decoy set up by the real killer to mislead the investigation.
Ruth’s father and the governor, he is accused of taking a bribe from Holdstock after a typed note appears to implicate him. He denies writing it and faces impeachment proceedings. Willis ultimately reveals that Lansdale created the note to frame him, and the committee drops the charges.
Medical professional overseeing Jessica's treatment for her sleepwalking condition.
The governor of the Panama Canal Zone, who meets with his aide Ellsworth and British agent Ratcliff to discuss suspicious people and the danger posed by Ryner. He receives a telegram identifying Marie as a stowaway while the Hettie King arrives, placing him at the center of the official response to the threat.
The train's conductor who is murdered during the journey, contributing to the escalating series of crimes aboard the train.
John Harly tries to persuade the Secretary to leave public service and take a lucrative opportunity to build theaters. His proposal brings the conflict between private success and public responsibility into focus; the Secretary refuses, choosing to keep serving rather than accept the offer.
The college president who initially objects to the football program's new seriousness. His science department's future is threatened when the team loses, prompting his son to return to the squad.
Arthur Byron has 25 screen credits in a career dating back to 1932. Their work spans 4 cinematic universes — most prominently Philo Vance Collection with 1 titles. Signature works include The Mummy, The President Vanishes, 20,000 Years in Sing Sing. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 4 universes
Related entry on Wikidata (Q708804), public domain (CC0).
