Emilio Cigoli
饰 Steve Martin (voice)
Rita Savagnone
饰 Emiko Yamane (voice)
Vittorio Cramer
饰 George Lawrence (voice) (as Vittorio Kramer)
Pino Locchi
饰 Security Officer Tomo Iwanaga (voice)
Gianfranco Bellini
饰 Dr. Serizawa (voice) (uncredited)
Bruno Persa
饰 Dr. Yamane (voice) (uncredited)
堺左千夫
饰 Hagiwara (uncredited)
村上冬树
饰 Dr. Tabata (uncredited)
Toyoaki Suzuki
饰 Shinkichi (uncredited)
岡部正
饰 Dr. Tabata's Assistant (uncredited)
小川虎之助
饰 President of Company (uncredited)
Frank Iwanaga
饰 Security Officer Tomo Iwanaga (uncredited)
Mikel Conrad
饰 George Lawrence (uncredited)
