Sarah Polley has written and will direct the upcoming romantic drama Take This Waltz, which will begin shooting this summer. According to, both Seth Rogen and Michelle Williams have signed on to co-star in the upcoming film.

The script, which made the coveted Black List in 2009, revolves around a torrid love triangle. The third member is said to be casting soon. Williams will star as a young woman struggling with infidelity.

The team will head to Toronto this July to begin production.