The Man Who Knew Too Much (1956)

In the bustling heart of London, esteemed Dr. Ben McKenna, his melodious wife Jo, a retired singer, and their spirited teenage son Hank find themselves entangled in a web of intrigue and danger. While attending a medical convention, the family seizes an opportunity for a quick detour to the exotic city of Marrakesh. Their journey takes a dark turn when Hank is mysteriously abducted by a seemingly innocuous British couple they had met earlier. Simultaneously, in the vibrant maze of the Marrakesh marketplace, a man named Louis Bernard, an enigmatic stranger they had encountered on a bus, is fatally stabbed right before their eyes. In his dying breath, he whispers to Dr. McKenna about a chilling assassination plot targeting a high-profile politician in London. The revelation thrusts the McKennas into a perilous game of silence, as the fear for their son's safety compels them to withhold this critical information from the police. As the ominous clock ticks ominously closer to the time of the proposed assassination, the McKennas race against time to unravel the labyrinth of deceit and rescue their son. In the heart of London, they bravely confront the shadowy underworld, navigating a path fraught with danger, lies, and desperation. The tensions mount with each passing minute, captivating viewers with a thrilling blend of suspense, family bonds, and the relentless pursuit of truth.

The Man Who Knew Too Much is a mystery movie featuring James Stewart.

The Man Who Knew Too Much is currently streaming on Criterion Channel.

It is also possible to buy The Man Who Knew Too Much on Amazon Video, Apple TV, DIRECTV, Google Play Movies, Microsoft Store, Vudu and YouTube.