Willem Dafoe, Hayden Panettiere, Shannon Lucio, Ioan Gruffudd and George Newbern are joining the ensemble cast of the drama, Fireflies in the Garden for Senator Entertainment.

They join Carrie Anne Moss, Ryan Reynolds, Julia Roberts and Emily Watson, who already have boarded the project; Dennis Lee wrote the screenplay and will make his directorial debut. The story is loosely based on Lee's life and explores the complexities of love and commitment in a family torn apart when faced with an unexpected tragedy, says The Hollywood Reporter.

Shooting on Fireflies in the Garden is scheduled to begin Tuesday in Austin.