Peter
Margaret
Alexander
Mike
Peter's Mother
Peter's Father
Inspector
Colonel
Jack's Father
Jack's Mother
Margaret's Mother
Mike's Mother
Headmaster
Teacher
Philharmonic Director
Doctor
Doctor's Assistant
Nurse
Twin Sister
Bispectacle Girl
Girl (uncredited)
Reporter (uncredited)
Male Nurse (uncredited)
Spectator at the Philharmonic Hall (uncredited)