400
IMDB: "When their father passes away, four grown siblings are forced to return to their childhood home and live under the same roof together for a week, along with their over-sharing mother and an assortment of spouses, exes and might-have-beens." Double points if you mention 3 actors or actresses in the film
This is where I leave you, Jason Bateman, Tina Fey, Jane Fonda, Adam Driver