An American agent working undercover as a cafe pianist in Cairo sets out to capture a notorious spy and jewel thief known as "The Voice".
Richard Denning
as Larry Wilson
Lisa Ferraday
as Lynette Garay
Norman Lloyd
as Louie Baracca
Nestor Paiva
as Joe Octavian
George Zucco
as The Voice
Donald Randolph
as Hassan
Dick Elliott
as Mr. Shirley (uncredited)
Peter Mamakos
as Pierre (uncredited)
Baynes Barron
as Secretary (uncredited)