Astrid Bergès-Frisbey has been selected by producer Jerry Bruckheimer and director Rob Marshall to star in the key role of Syrena, a beautiful and alluring young mermaid, in Walt Disney Pictures’/Jerry Bruckheimer Films’ epic adventure “Pirates of the Caribbean: On Stranger Tides,” the fourth in the blockbuster series of films. Bergès -Frisbey joins Johnny Depp, returning in his iconic role of Captain Jack Sparrow. The film is slated to open on May 20, 2011.