Dennis the Menace Strikes Again!

Dennis is a relentless ball of energy whose pranks pull the Wilsons into a cycle of chaos. He collects exotic pets, orchestrates schemes, and speaks with a charm that hides the trouble he creates. While impulsive and sometimes thoughtless, his actions always center on getting a reaction and proving he belongs in the family orbit.

George is a crusty, aging neighbor who loves his routines but is not immune to Dennis's antics. His pride sometimes blinds him to schemes, yet his softer side emerges as he navigates family and neighborhood ties. By the end, he must choose between retreat and staying connected to the people around him.

Martha is the warm, no-nonsense matriarch who keeps the household anchored. She deals with Dennis's chaos with a mix of affection and discipline, offering comic balance to the mayhem. Her patience is tested, but her love for family remains a constant.

Mr. Johnson is Dennis's grandfather-in-law who moves in with the Wilsons, bringing generational tension and humor. He keeps pace with Dennis's energy, and his evolving relationship with Dennis anchors the film's emotional arc. The collaboration between Mr. Johnson and Dennis drives much of the plot toward reconciliation.

The Professor is one half of the crooked duo trying to swindle George with a fake youth elixir and a sham machine. He personifies the film's theme of greed and manipulation, often underestimating Dennis's ability to expose the scam. His schemes set the plot in motion and are ultimately undone by a mix of wit and community help.

Sylvester is the flamboyant partner to the Professor, providing comic flair and questionable gadgetry. He leans into the con with bravado, yet remains part of a fragile plot that falls apart under Dennis's scrutiny. His antics contribute to the film's fast-paced humor and chaos.

Alice is a maternal figure who exerts firm discipline while keeping the family safe. She administers consequences for Dennis, but also shows warmth and concern for her relatives. Her involvement underscores the responsibilities of caregiving within a bustling household.

Henry is Alice's father and manages a complex in-law dynamic after Mr. Johnson arrives. His presence adds generational contrast and friction, contributing to the film's humor and heart. He participates in the unfolding family drama surrounding Dennis's mischief.

Margaret appears as a neighbor who witnesses the Wilsons' chaos and the unfolding schemes. She offers a steady, observational presence amid the film's frenetic energy. Her role reinforces the sense of a close-knit community surrounding Dennis's antics.

The uncredited police officer patrols the neighborhood and helps bring the con men to heel. His presence adds a layer of law-and-order assurance to the caper-comedy structure. He closes the loop on the criminals' schemes.