演职人员
导演
Sam Newfield
Lorenzo Cameron
George Zucco
Lenora Cameron
Anne Nagel
Tom Gregory
Johnny Downs
Petro
Glenn Strange
Professor Blaine
Robert Strange
Professor Fitzgerald
Gordon De Main
Professor Hatfield
John Elliott
Professor Warwick
Reginald Barlow
Grandmother
Sarah Padden
Susan
Mae Busch
Father
Ed Cassidy
Country Doctor
Henry Hall
Jed Harper
Eddie Holden