THE CASE OF THE RED MONKEY, aka LITTLE RED MONKEY, is a fun little mix of murder mystery and spy thriller of the 1950s. This is very much a film of its era, complete with a title and theme tune taken from a popular tune of the era and a Cold War backdrop. When nuclear scientists are being murdered in London, it takes a US special agent in the form of Richard Conte to track down the killer. The addition of the monkey to the plot is a novel and offbeat twist, and there's enough disparate elements from action to romance to spy shenanigans and the like to keep it bubbling away merrily from beginning to end.