An undercover U.S. Immigration agent falls in love with an immigrant attempting to enter the United States through Havana, Cuba in an illegal smuggling ring.

Hedy Lamarr
as Marianne Lorress

John Hodiak
as Peter Karczag INS aka Josef Gombush

James Craig
as Chief Frank Westlake, INS

George Macready
as Palinov, Gulf Stream Cafe Havana

Steven Geray
as Frenchman, Palinov's Tout

Bruce Cowling
as Archer Delby James, Pilot

Nedrick Young
as Harry Nordell

Steven Hill
as Jack

Robert Osterloh
as Lt. Lannahan, NYC Cop

Trevor Bardette
as Lt. Carfagno, Cuban Cop