
Carroll Baker plays a dual role as translator Julie Harrison and her twin sister Mary. The serpentine plot begins as Julie tells her lawyer Dave Barton that Mary's life is being threatened in London while Julie herself is being stalked by a mysterious stranger in Amsterdam.
Cast

Carroll Baker
Julie Harrison / Mary Harrison

George Hilton
Tony Shane

Stephen Boyd
Dave Barton

Lucretia Love
Margaret

Luciano Pigozzi
Steve Hunter

Daniele Vargas
James Marlowe

Ivano Staccioli
Hank

Franco Ressel
Inspector Rinker

Carla Mancini
Unknown
Gianni Pulone
Unknown

Roberto Messina
Unknown
Maria Carla Ricotti
Unknown
Crew

Osvaldo Civirani
Director, Writer, Producer
Tito Carpi
Writer
Mauro Contini
Editor
Walter Civirani
Director of Photography
Iolanda Conti
Hairstylist
Marcello Di Paolo
Makeup Artist
Marisa Manici
Makeup Artist

Stelvio Cipriani
Original Music Composer
Graziano Fabiani
Production Manager
Giorgio Postiglione
Art Direction
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