Sally Hawkins
Mum (voice)
Cillian Murphy
Dad (voice)
Raffey Cassidy
Becky (voice)
Aaron MacGregor
Michael (voice)
渡辺謙
Kensuke (voice)
Ken Ochiai
Nagasaki Announcer (voice)
Cavin Cornwall
Additional Voices
Alfred Kodai Berglund
Michiya (Kensuke's Son) (voice)