US leader dealing with the time-traveling apes.
A mining supply salesman accidentally shot by Kilfong during the ambush. He is later killed by Council, who frames Appleyard for his death and takes his dynamite.
A local physician who recognizes the children’s unnatural symptoms and investigates their disturbing identities.
Dr. Quilly is the Institute's doctor who treats Susan as a patient who has committed herself, rather than as a nurse seeking work, and confines her despite her objections. Isandra and Luther claim that the original doctor is dead and that a patient has assumed his identity; the summary does not establish whether this claim is true.
A widower associated with the home. Anne Baldwin eventually acknowledges her romantic feelings for him and commits to a relationship with him by the film's conclusion.
Weeks is a prominent Houston figure who uses his influence to have the police bring in Shaft to investigate the series of murders. His action shifts the investigation toward Brewster and intensifies the police pursuit. The plot identifies him as an important civic figure, though it does not describe a direct personal relationship with Brewster.
Nancy's greedy father who aims to use her inherited estate to gain political and economic control over their town. He initially suspects Harry of abandoning Nancy and later confronts her near the power lines before she is rescued.
John Brandon is Elizabeth Brandon's husband and the uncle of Malcolm Webson. He and Elizabeth host the visiting skydiving team at their home in Benton. John overhears Mike Rettig and Elizabeth having sex, placing him directly within the central affair and its consequences.
Harry Travers runs a neighboring ranch with his sister, Sharleen, and initially sides with Clay Mathews despite Sam Brassfield's opposing position. After Sharleen scolds him, Harry apologizes to Brassfield. Mathews's hired gun Bodine later shoots the unarmed Harry and wounds him, before killing Sharleen.
Medfield College science professor overseeing laboratory experiments.
Harold Jennings is Miriam Jennings's alcoholic husband, whose return to the mansion intensifies Susan Wilcox's fear and suspicion. Susan believes he may have raped her and appears to shoot him, but the shooting is later revealed as a ruse arranged by Dr. Michael Lomas to implicate Miriam.
The secretary of state who initially supplies President Dilman with prepared answers supporting the previous administration's policies. He expects to become president if Dilman cannot handle the office, later challenges him for the party's nomination, and receives political support from Senator Watson.
William Windom has 136 screen credits in a career dating back to 1950. Their work spans 4 cinematic universes — most prominently Children of the Corn with 1 titles. Signature works include Murder in the First Person Singular, Escape from the Planet of the Apes, Attack of the 50 Ft. Woman. 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 (Q561666), public domain (CC0).