The movie you are likely referring to is “Agent Cody Banks,” a 2003 film starring Frankie Muniz as Cody Banks, a 15-year-old teenager who discovers he is involved in secret agent activities. In the story, Cody is a normal high school sophomore who is recruited by the CIA to become a junior field operative. Although the plot centers more on Cody himself being trained as a secret agent rather than him learning his dad is one, the film fits the theme of a young person discovering a secret spy life connected to family or close relations.
In “Agent Cody Banks,” Cody is sent undercover to a prep school to investigate a scientist connected to a dangerous organization. He struggles to balance his normal teenage life, including chores and homework, with his secret missions. The CIA supports him by helping with his chores and training him in social skills and spy gadgets. Throughout the film, Cody develops a relationship with the scientist’s daughter, Natalie, and eventually uncovers a plot involving nanobots that could destroy global defense systems. Cody uses various spy gadgets and clever tactics to stop the villain and save the day[1][5].
Another film with a somewhat related theme is “Little Nikita” (1988), where a teenager discovers that his parents are Soviet spies. This movie explores the tension and danger that arise when a young person learns that their family is involved in espionage, but it is more about the parents being spies rather than the father being a secret agent in a typical spy action sense[2].
The concept of a kid learning their dad is a secret agent is a popular trope in family and action movies, often blending comedy, adventure, and coming-of-age elements. “Agent Cody Banks” is one of the most well-known examples where a young protagonist is thrust into the world of espionage, balancing normal life with secret missions. The film is designed to be accessible and entertaining for younger audiences, combining humor with action and spy gadgetry[1][5].
If you are thinking of a movie where the child specifically learns that their father is a secret agent, “Agent Cody Banks” is a close match, though the focus is more on the kid himself being the agent. For a story where the secret agent is the father and the child discovers this fact, there are other films and TV shows with similar premises, but none as prominently known or fitting the exact description as “Agent Cody Banks” based on the search results provided.
In summary, “Agent Cody Banks” is a key example of a movie where a young teenager is involved in secret agent activities, blending the discovery of a spy life with typical adolescent challenges, making it a likely answer to your query[1][5].


