The secrecy surrounding an Abrams project was at once thrilling and nerve-racking, admits Pine. ''The exciting thing is there's a possibility for change at any moment,'' he says. ''Because of [the producers'] background in TV, there's a possibility of changing story, dialogue, character points, action beats these are all up for review at all times. Nothing is sacrosanct, no one is safe. You have to walk in and be really nimble.''