Washington, Feb 15 : Jerry O'Connell, Heather Graham, John Corbett, Katie Finneran, Ian Ziering and Lara Flynn Boyle have joined the cast of Brian Herzlinger's romantic comedy 'Baby on Board.'

Connell and Graham play a happily married couple whose lives and high-powered careers are thrown into chaos by an unplanned pregnancy, reports the Hollywood Reporter.

Corbett and Finneran play their best friends, a bitter couple whose misguided advice on parenting and marriage only makes things worse.

Boyle plays Graham's demanding boss while Ziering plays a gay obstetrician and Graham's confidante.

The project is being backed by A Plus Prods. and Big Shoot Prods., with A Plus' Emilio Ferrari producing and Big Shoot's Russell Scalise executive producing.

Scalise wrote the screenplay for the film with Michael Wright.

The five-week shoot is set to kick off in Chicago.

Ferrari's Entertainment Seven has worldwide distribution rights.

ANI