Superintendent Battle is a professional detective who serves as a mentor to Bundle and is ultimately revealed to be the orchestrator of the amateur detectives’ integration into the case. His personality, moral compass, and brilliance remain constant, even as he exhibits an in-depth approach to investigation. Battle embodies the disciplined, methodical version of law enforcement that is often portrayed in classic detective fiction. He plays this role in several of Agatha Christie’s novels, including The Secret of Chimneys (1925), Cards on the Table (1936), and Towards Zero (1944). His background as a seasoned political and criminal investigator informs his cautious approach and his perceptive understanding of human behavior, particularly in high-stakes, clandestine environments.

With his patience and analytical mind, Battle demonstrates strong foresight, often anticipating moves by the novel’s criminals and by his young collaborators. For instance, his creation of the Seven Dials as a controlled network of skilled amateurs allows him to extend his investigative reach while maintaining strict oversight. He encourages the young detectives’ involvement but carefully guides them away from immediate danger, striking a balance between trust and prudence.

Battle’s ability to conceal his full knowledge gives him an advantage over the criminals and illuminates his understanding of The Weaponization of Performance. During his investigation in the library, Battle repeatedly stays silent or avoids others’ questions, keeping his true opinions to himself. In these moments, he exemplifies the value of perception, using his experience and insight to hide the truth of the matter at hand until the opportune moment.

Jimmy is initially portrayed as a clever, charming young man, but he is eventually revealed to be the primary antagonist, and this plot twist is typical of detective fiction. In the first few chapters, his intelligence and social adeptness are his greatest strengths, but they will also be revealed to be his most dangerous traits. Early in the text, he participates in group pranks and later becomes a chief ally, ostensibly assisting Bundle and the others in the investigation. As the plot unfolds, however, his manipulative and ruthless tendencies come to the forefront, although they are largely off-screen and are revealed only in Battle’s final descriptions of the true events. His background (including his time in Germany during the war and his exposure to international affairs) underscores his ability to navigate high-stakes situations. Relying upon his innate cunning and charm to create a performance of innocence, he skillfully exploits Bundle’s trust, using his social connections and his knowledge of human behavior to advance his goals. As the novel eventually reveals, he is the one who orchestrates the murders and the theft of the invention formula.

Like Jimmy, Loraine is initially portrayed as an ally to the investigation, but the novel later reveals that she has been working with Jimmy to steal the invention formula. Her actions illustrate the dynamics involved in the weaponization of performance, for she willingly plays the role of Gerry’s grieving stepsister in order to gain access to the investigation and earn the trust of others. However, she actually pretends to be the love interest for Gerry and later for Ronny, only to deceive them both in her efforts to provide Jimmy with valuable information. She is portrayed as courageous, loyal, and adaptable as she goes through the motions of working alongside Bundle and Jimmy in their amateur investigation. In reality, however, Loraine is a classic femme fatale, an archetypal female villain who uses her charm and sex appeal to lure men, gain their trust, and manipulate them into doing her bidding.

Bill is a secondary character who is friends with Bundle, Jimmy, Ronny, and the others. He appears first at Chimneys, then again at Wyvern Abbey. Initially portrayed as an affable but somewhat distracted character, he eventually proves to be crucial to the unraveling of Jimmy’s schemes. When Bundle first learns that Jimmy told Bill about the investigation in the Seven Dials, she responds by saying, “Bill’s all right, of course. It isn’t that. […] But he’s—well, Bill’s a born blunderer” (104). Later, she grows nervous when she discovers that he is close with Countess Radzky, worrying that his attraction to the woman will compel him to reveal valuable information. Although these moments underscore Bundle’s preconceived judgment of Bill, he later becomes her love interest, and the revelation that he is a very capable sleuth highlights a more benevolent version of the weaponization of performance. By performing the act of a “blunderer,” he gains the latitude to operate behind the scenes in ways that Superintendent Battle cannot, and his actions are instrumental in helping to solve the mystery at the heart of the novel.