Professional gambler Dan Crown arrives in San Juan to visit his brother Alex, only to learn from the police that Alex has been found murdered. To Captain Acosta's questioning, Dan answers that he had no knowledge of his brother's affairs. Dan then finds Gina Rosario searching his hotel room, and together they begin to investigate Alex's death.

Kent Taylor
as Dan Crown

Miriam Colon
as Gina Rosario

Antonio Torres Martinó
as Captain Acosta

Jeff Morrow
as Cardinal

José de San Antón
as Father Riva

Braulio Castillo
as Manolo

Roberto Rivera Negrón
as Storekeeper

Luis A. Martínez
as Vallejo

José Manuel Caicoya
as Mortician

Tino García
as Cardinal's man