A disgruntled phone company employee develops a device whereby those answering a phone can be murdered, and it's up to Nat Bridger to stop the killer.
Nat Bridger
Stanley Markowitz
Ridley Taylor
Noah Clayton
Lt. Meara
Fred Waites
John Websole
Jack Gilsdorf
Fil Thorner
Winters
Photographer
Detective Tamblyn
Dr. Alderman
Beth Freemantle
Connie Lawson
Guard
