When an international casino crime ring is planning a big score at a fixed roulette game, the casino police enlists the help of Jeff Miller, an alcoholic croupier, to nab the bad guys. Jeff is attracted to Laura, a singer at the casino, but she prefers the company of the leader of the thieving casino ring.

• PEA
• Tecisa Film
• Laurence Harvey
• Ann-Margret
• Ivan Desny
• José Calvo
• Camilla Horn
• Andrea Bosic
• Alberto de Mendoza
• Luis Morris