Related: Billy Zane Explains Why Jack and Rose Couldn't Have Both Fit on the Door in 'Titanic' On his Instagram, the actor posted production stills and behind-the-scenes glimpses of the movie ...

Starring Leonardo DiCaprio as Jack, Kate Winslet as Rose, as well as Billy Zane, Kathy Bates and Bill ... Filming a Hollywood blockbuster doesn't exactly fit into a nine-to-five type of schedule.