Stephen Fry has joined the cast of “Iron Box,” a multi-generational comedy about a New York businesswoman who journeys with her father to Poland in an effort to explore their roots. The film is being directed by Julia Von Heinz, best known for her work on “And Tomorrow the Entire World” and “Isolation.” Principal photography begins this month. Zbigniew Zamachowski (“Three Colors: White”) has also joined the cast. The package is coming together for the European Film Market (EFM) at Berlin. Fry is an actor, screenwriter, author, playwright, journalist, poet, comedian, television presenter, film director, and bon vivant. He starred...