: John "The Cat" Robie (Cary Grant), a retired jewel thief and former member of the French Resistance, is the prime suspect when a series of copycat robberies strikes the local elite.

The film's "co-star" is the French Riviera, featuring several iconic real-world locations.

: During a lavish masquerade ball, Robie unmasks the true "Cat"—revealed to be Danielle, the daughter of his former associate—during a rooftop confrontation. Production Highlights