Ellen Page and Cillian Murphy will star in the psychological thriller "Peacock" for Mandate Pictures reports the trades.

Murph plays a man with a split personality who fools his Nebraskan hometown into believing his two alter egos are man and wife.

Page plays a struggling young mother who holds the key to his past and sparks a battle between the personalities.

Michael Lander will direct from a script he co-wrote with Ryan Roy. Shooting starts in May.