John Robie is a fictional character from the classic film "To Catch a Thief," directed by Alfred Hitchcock. He is portrayed by actor Cary Grant and is a retired cat burglar living in the French Riviera. The character is known for his charm and wit, as well as his attempts to clear his name after being accused of a series of jewel thefts. In the film, John Robie becomes involved with a wealthy heiress named Frances Stevens, played by Grace Kelly. As he tries to prove his innocence, he navigates a world of luxury and intrigue, ultimately leading to a thrilling climax that showcases both his cleverness and resourcefulness.