Obsada:

• Johnny Downs Tom Gregory
• George Zucco Dr. Lorenzo Cameron
• Anne Nagel Lenora Cameron
• Glenn Strange Petro
• Sarah Padden Grandmother
• Gordon De Main Prof. Fitzgerald
• Mae Busch Susan
• Reginald Barlow Prof. Warwick
• Robert Strange Prof. Blaine
• Henry Hall Country Doctor
• Ed Cassidy Father
• Eddie Holden Jed Harper
• John Elliott Prof. Hatfield
• Slim Whitaker Officer Dugan
• Gil Patric Detective Lieutenant