According to Variety, Laura Dern and Jared Leto have signed on to star alongside James Gandolfini, John Travolta and Salma Hayek in Millennium Films' Lonely Hearts.

Now in production, pic is based on the true story of a detective who tracked down and arrested a pair of serial killers who entrapped their victims by answering lonelyhearts personals.

Dern will next be seen in Lions Gate's Happy Endings. Leto recently wrapped Awake opposite Helen Mirren.