Don't Grow Up ( Also Known As: Alone) is a Horror film directed by Thierry Poiraud and written by Marie Garel Weiss. It released on 16 December 2015 (France). The film stars Fergus Riordan, Madeleine Kelly, McKell David. The story about a group of youths who can't face the thought of growing up because anyone who does becomes a rampaging zombie.