Type movie Release Date Feb 7, 2024 Country United Kingdom Language English Genre Adventure Animation Drama Family Cast Sally Hawkins as Mum (voice) Cillian Murphy as Dad (voice) Raffey Cassidy as Becky (voice) Aaron MacGregor as Michael (voice) Ken Watanabe as Kensuke (voice) Alfred Kodai Berglund as Michiya (Kensuke's Son) (voice) Ken Ochiai as Nagasaki Announcer (voice) Cavin Cornwall as Additional Voices References website imdb