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.

Genres

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

Gianni Pulone

Roberto Messina