Lauren McCrostie (born January 10, 1996) is a British actress who began her career as Carol in Carol Morley's "The Falling" (2014) before gaining recognition for her role as Olive in Tim Burton's "Miss Peregrine's Home for Peculiar Children" (2016). Lauren McCrostie (born January 10, 1996) is a British actress who began her career as Carol in Carol Morley's "The Falling" (2014) before gaining recognition for her role as Olive in Tim Burton's "Miss Peregrine's Home for Peculiar Children" (2016).