The Big Shark (1957)

Vagelis, a charming and carefree daydreamer, is determined to make it big so he can finally marry the love of his life. Instead, his world turns upside down when he is mistaken for the infamous money shark, Lalakis Birbilis, who has ruined the lives of many. With the police boasting of the capture of the ruthless criminal mastermind, Vagelis soon finds himself in deep trouble, with slim chances of getting off scot-free. The big question is, where is the real culprit hiding?