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.
Cast
Richard Chamberlain
Nat Bridger
John Houseman
Stanley Markowitz
Sara Botsford
Ridley Taylor
Robin Gammell
Noah Clayton
Gary Reineke
Lt. Meara
Barry Morse
Fred Waites
Alan Scarfe
John Websole
James B. Douglas
Jack Gilsdorf
Ken Pogue
Fil Thorner
Neil Munro
Winters
Jefferson Mappin
Photographer
Tom Butler
Detective Tamblyn
Colin Fox
Dr. Alderman
Luba Goy
Beth Freemantle
Lenore Zann
Connie Lawson
Antony Parr
Guard
Crew
Michael Anderson
Director
John Kent Harrison
Screenplay
Michael Butler
Screenplay, Story
Dennis Shryack
Screenplay, Story
George Armondo
Story
James Whiton
Story
Martin Pepler
Editor
Reginald H. Morris
Director of Photography
Stanley Colbert
Executive Producer
Bob Cooper
Producer
Roger Corman
Producer
Michael W. Hadley
Associate Producer
Brian Walker
Co-Producer
Seamus Flannery
Production Design
John Barry
Original Music Composer
Joyce Liggett
Set Decoration
