Hayley Atwell (CAPTAIN AMERICA) has joined the cast of THE RETURN OF CAPTAIN NEMO, reports Deadline.com. She joins David Morrissey (RED RIDING) as her uncle and Hugh Bonneville (TV's DOWNTON ABBEY) as Nemo. A sequel to 20,000 LEAGUES UNDER THE SEA, the story has Morrissey and Atwell's characters freeing Capt. Nemo from jail to have him help investigate sea monster attacks.

The $10 million 3-D production will be shot entirely on greenscreen sets. Pearry Teo (THE GENE GENERATION) is directing with Amy Krell producing.