The architect protagonist who discovers a secret alien invasion and travels to foil their plots while warning a skeptical public. He endures public ridicule and loneliness but remains determined to find tangible proof, eventually convincing a small group of allies to help him fight the invaders.
Holmes commands Prewitt’s company and pressures him to join its boxing team, using harassment by the sergeants in an effort to secure his compliance. His interest in boxing is tied to his military advancement, and he is promoted to major before leaving the company. The plot summary identifies the commanding officer as Captain Holmes but does not give his first name.
First officer ejected during mid-air collision.
Colonel Glenn Ross is a NASA astronaut selected for EUROSEC's mission to investigate the planet beyond the Sun. After surviving the crash of Dove, he discovers he is on a mirror-image Counter-Earth and tries to return home aboard Doppelganger. His failed launch destroys the Space Centre and kills him.
A writer debunking spiritualists who vanishes from San Francisco, leaving behind audio tapes documenting his investigation into supernatural claims at the Cort estate. He interviews witnesses, uncovers occult rituals, discovers hidden tunnels, and ultimately destroys a demonic sculpture by burning the studio. His disappearance remains unexplained at the end.
Clampett is a popular academy doctor who secretly orchestrates the murders and leads a Satanic cult beneath the school. He manipulates Jessica, orders the evacuation, and is worshiped by followers including Jody and Roberta. Elizabeth escapes after burning the academy, but Clampett survives supernaturally and mysteriously disappears.
Martin Vogel is an SS and Gestapo Hauptsturmführer posing as the Hindenburg's official photographer. He independently investigates passengers and crew, works behind Ritter's back, arrests Boerth, and confiscates Ursula's passport. He tortures Boerth, survives the explosion badly burned, and is carried from the wreckage.
Reverend John Keyes is a traveling preacher stranded in the desert with his wife, Lorna. Welcomed as a savior by San Melas, he heals Ethan, delivers sermons, defends Joseph, and kills the black-clad gunman. The townspeople manipulate him into confessing his sins and ultimately corrupt him for their supernatural ceremony.
Dean Grail is a college dean whom Toni Daniels interviews during her investigation. He dismisses Arnold Krangen as a sexual deviant and initially rejects the idea that Arnold is a killer. Grail is eventually revealed as the masked murderer, seeking to purify the campus after his daughter was killed.
A wealthy architect and passenger. He and his wife Sheila transported a druidic sacrificial altar in the baggage compartment, directly triggering the supernatural events aboard the aircraft.
Roy Thinnes has 53 screen credits in a career dating back to 1955. Their work is anchored in the Airport universe with 1 titles. Signature works include The Invaders, The Norliss Tapes, The Man Hunter. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q1281723), public domain (CC0).
