Michael Sopkiw

饰：Peter

Valentine Monnier

饰：Dr. Stella Dickens

吉昂尼·嘉科

Gianni Garko

饰：Sheriff Gordon (as John Garko)

威廉·伯格

William Berger

饰：Professor Donald West

伊丽丝·佩纳多

Iris Peynado

饰：Sandra Hayes

Lawrence Morgant

饰：Dr. Bob Hogan

辛姿娅·德·蓬蒂

Cinzia de Ponti

饰：Florinda (as Cinthia Stewart)

Paul Branco

饰：Dr. Davis Barker

妲歌玛·拉桑德

Dagmar Lassander

饰：Sonja West

Ennio Brizzolari

饰：Fisherman (uncredited)

Lisa Frances Rubin

饰：Molly, woman on boat with husband (uncredited)

格夫雷多·恩格尔

Goffredo Unger

饰：Leg amputee fisherrman (uncredited)

Darla N. Warner

饰：Scientist Janet (uncredited)