The Missing Guest
'Scoop' Hanlon
Stephanie Kirkland
Larry Dearden
Dr. Carroll
Frank Baldrich
'Vic'
'Jake'
Edwards - the Butler
Linda Baldrich
Frank Kendall - Editor
Nikolaus Popoulos - Inventor
Minor Role
Baldrich's Guard
Gatekeeper
Wolf
Brown - Kendall's Assistant (uncredited)
Office Boy
Police Inspector McDonald
Maid
