B movie crime/mystery that takes place at a circus outside of London

After an armored car heist, some of the money is traced to Barberini's Circus winter quarters in the country just west of London. As dead bodies are discovered the inspector (Leo Genn) suspects several people, including the gruff hooded lion tamer (Christopher Lee).

A UK production, “Circus of Fear” (1966), aka "Psycho-Circus,” starts as a big city crime thriller and quickly morphs into a Whodunit at a circus with several familiar British faces in the cast. It’s a colorful B movie with a comic book vibe that’s so... read the rest.