After being run out of Las Vegas, reporter Carl Kolchak heads for Seattle and another reporting job with the local paper. It's not long before he’s on the trail of another string of bizarre murders. It seems that every 21 years, for the past century, a killer murders a certain number of people, drains them of their blood, and then disappears into the night. Kolchak is on his trail, but can he stop him?
Wally Cox
Mr. Berry

Margaret Hamilton
Prof. Crabwell

Richard Anderson
Dr. Richard Malcolm

John Carradine
Llewellyn Crossbinder