Elenco - Steamboy
相沢恵子
Ray's Mother (voice)
日比愛子
Thomas (voice)
Manami Konishi
Scarlett O'Hara St. Jones (voice)
鈴木杏
James Ray Steam (voice)
Sanae Kobayashi
Emma (voice)
中村嘉葎雄
Dr. Lloyd Steam (voice)
津嘉山正種
Dr. Edward 'Eddy' Steam (voice)
Satoru Sato
Archibald Simon (voice)
寺島進
Alfred Smith (voice)
児玉清
Robert Stephenson (voice)
稲田徹
Jason (voice)
沢村一樹
David (voice)
阪脩
The Admiral (voice)