|Glenn Ford||Johnny Farrell/Narrator|
|George Macready||Ballin Mundson|
|Joseph Calleia||Detective Maurice Obregon|
|Steven Geray||Uncle Pio, Mundson's Butler|
|Gerald Mohr||Captain Delgado|
Johnny Farrell is a small-time American gambler, newly arrived in Buenos Aires, Argentina. When he is caught cheating at a game of blackjack, Farrell manages to talk his way into a job with the casino's owner, the powerful Ballin Mundson . The two form an uneasy partnership based off their mutual lack of scruples until Mundson introduces Farrell to his beautiful new wife, Gilda, who just happens to be Farrell's ex-lover.